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Money and Its Functions for CUET Economics

About 5 min to learn · 57 questions

Why barter fails, the four functions of money, legal tender and fiat money, and the supply of money: currency with the public, demand deposits and the RBI's measures M1 to M4, with worked examples and the traps CUET sets.

Syllabus area
Introductory Macroeconomics
On this page · 9 sections
  1. 01The core idea
  2. 02Barter and its problems
  3. 03Functions of money
  4. 04Legal tender and fiat money
  5. 05The supply of money
  6. 06Exam shortcuts
  7. 07Common mistakes
  8. 08Quick revision
  9. 09Check your understanding

The core idea

Money is defined by what it does: anything generally accepted as a medium of exchange and a measure of value is money. That is why a bank deposit counts as money even though it is not a note.

Barter and its problems

Why did economies move away from barter?

Problem of barterWhat money does about it
No double coincidence of wants: each side must want what the other hasMedium of exchange: sell for money, buy with money
No common measure of value: every good priced in every other goodUnit of account: one price per good, in rupees
Hard to store wealth in goods that spoilStore of value
Hard to agree on future paymentsStandard of deferred payment
Indivisibility: half a cow is not worth half a cowMoney divides into small amounts

With 5 goods, barter needs 5 × 4 ÷ 2 = 10 exchange rates; with money, 5 prices.

Functions of money

Which are primary and which are secondary?

  • Primary: medium of exchange (paying ₹40 for a notebook) and unit of account (a ₹450 price tag).
  • Secondary: store of value (cash kept for next month) and standard of deferred payment (a loan repaid in EMIs).

Money is the most liquid asset: it can be spent at once without loss. It stores value well only when prices are stable; fast inflation eats into it.

Who can refuse what?

  • Legal tender cannot be refused in settlement of a payment: currency notes and coins.
  • Fiat money has value because the government declares it money, not because of what it is made of.
  • Cheques, cards and bank transfers can be refused: deposits are money but not legal tender.

In India the RBI issues all notes except the ₹1 note; the Government of India issues ₹1 notes and coins.

The supply of money

What is counted?

Money supply is the stock of money held by the public (households and firms) on a date. Cash with banks and the government is left out.

RBI's measures

M1=CU+DD+ODM2=M1+post office savings depositsM_1 = CU + DD + OD \qquad M_2 = M_1 + \text{post office savings deposits}
M3=M1+net time deposits of banksM4=M3+all post office savings depositsM_3 = M_1 + \text{net time deposits of banks} \qquad M_4 = M_3 + \text{all post office savings deposits}

CU = currency with the public, DD = demand deposits with banks, OD = other deposits with the RBI. M1 and M2 are narrow money; M3 (broad money) and M4 are broader and less liquid. From M1 to M4, liquidity falls.

Example 1 · Measuring money

Currency with the public 500, demand deposits 300, other deposits with the RBI 10, net time deposits 900 (₹ crore). Find M1 and M3.

  1. M1 = 500 + 300 + 10 = 810.

  2. M3 = M1 + time deposits = 810 + 900 = 1,710.

Answer

M1 = ₹810 crore, M3 = ₹1,710 crore

Watch out

Withdrawing cash from a demand deposit leaves M1 unchanged: currency rises and deposits fall by the same amount. Moving money from a current account to a fixed deposit lowers M1 but leaves M3 unchanged.

Exam shortcuts

  • Barter's core failure: double coincidence of wants.
  • Primary functions: medium of exchange and unit of account.
  • Legal tender = notes and coins only.
  • M1 = CU + DD + OD; M3 = M1 + time deposits.

Common mistakes

  • Calling cheques legal tender.
  • Counting banks' cash in money supply.
  • Putting post office deposits into M3.
  • Treating money supply as a flow.

Quick revision

Functions

  • Medium of exchange, unit of account (primary)
  • Store of value, standard of deferred payment (secondary)

Kinds of money

  • Legal tender: cannot be refused
  • Fiat: value from government order
  • Deposits are money but not legal tender

Money supply

  • Stock held by the public
  • M1 = CU + DD + OD; M3 = M1 + time deposits
  • Liquidity falls from M1 to M4

How banks turn one deposit into many is in money creation by banks.

Next · 08Quick revision

Check your understanding

57 questions, grouped by type, easy to hard. Pick an answer and check it. The worked solution opens when you ask for it.

Barter and its problemsQ1 of 57Q1

Barter and its problems

9 questions

A barter system is one in which

Options for question 1

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AnswerB · goods are swapped directly for goods

  1. In barter, a farmer trades wheat for cloth directly.

The main difficulty of barter is

Options for question 2

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AnswerD · the lack of a double coincidence of wants

  1. A trade happens only if each side wants what the other has, at the same time.

  2. A weaver who wants rice must find a rice farmer who wants cloth.

A potter wants shoes. The cobbler does not want pots but wants rice. Under barter, the potter must

Options for question 3

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AnswerA · trade pots for rice first, then rice for shoes

  1. Without a double coincidence, trade needs a chain of swaps, which wastes time.

  2. Money removes this: the potter sells pots for money and buys shoes with it.

Under barter, it is hard to buy half a cow's worth of goods because

Options for question 4

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AnswerC · some goods cannot be divided without losing their value

  1. Indivisibility: a cow is worth a lot, but cutting it in half destroys its value.

  2. Money can be divided into small amounts.

Match each problem of barter with the function of money that solves it.

List IList II
A. Lack of a double coincidence of wantsI. Store of value
B. No common measure of valueII. Medium of exchange
C. Difficulty of storing wealth in goods that spoilIII. Standard of deferred payment
D. Difficulty of agreeing on future paymentsIV. Unit of account
Options for question 5

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AnswerB · A-II, B-IV, C-I, D-III

  1. Each difficulty of barter matches one function of money.

Read the two statements and choose the correct option.

I. Under barter, the price of every good has to be stated in terms of every other good.

II. Under barter, wealth is easy to store because goods keep their value forever.

Options for question 6

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AnswerA · Only I

  1. With no common unit, wheat has a price in cloth, in rice, in salt, and so on. I is true.

  2. Many goods spoil or cost a lot to store, so II is false.

Assertion (A): Money makes the specialisation of labour easier.

Reason (R): With money, a worker can sell one skill for money and buy everything else she needs.

Options for question 7

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AnswerA · Both A and R are true, and R is the correct explanation of A.

  1. Under barter, a specialist must find people who want her product and have what she needs.

  2. Money removes that search, so people can specialise. R explains A.

Which of these is NOT a difficulty of the barter system?

Options for question 8

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AnswerD · Too much money chasing too few goods

  1. A barter economy has no money, so 'too much money' cannot be its problem.

In a barter economy with 5 goods, how many exchange rates (prices of one good in terms of another) are needed?

Options for question 9

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AnswerB · 10

  1. Each pair of goods needs one rate: 5 × 4 ÷ 2 = 10.

  2. With money as the unit of account, only 5 prices are needed.

Worth noting

20 counts each pair twice (wheat in cloth and cloth in wheat), but one is just the inverse of the other.

Functions of money

15 questions

When you pay ₹40 for a notebook, money is serving as

Options for question 10

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AnswerC · a medium of exchange

  1. Money is handed over in exchange for the good: it is the medium of exchange.

When a shop puts a price tag of ₹450 on a shirt, money is serving as

Options for question 11

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AnswerA · a unit of account (measure of value)

  1. The price tag measures the shirt's value in rupees; nothing has been paid yet.

Keeping ₹5,000 at home to spend next month uses money as

Options for question 12

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AnswerD · a store of value

  1. Money holds purchasing power over time, so it can be kept and spent later.

Match each use of money with its function.

List IList II
A. A company's accounts are kept in rupeesI. Medium of exchange
B. A worker spends her wages on vegetablesII. Standard of deferred payment
C. A family keeps cash for an emergencyIII. Unit of account
D. A home loan is repaid in monthly EMIsIV. Store of value
Options for question 13

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AnswerA · A-III, B-I, C-IV, D-II

  1. Accounts measure value; spending exchanges money for goods.

  2. Cash kept for later stores value; EMIs settle a payment deferred over time.

Which of these is NOT a function of money?

Options for question 14

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AnswerA · Producing goods

  1. Money helps exchange, measures value and stores it; goods are produced by factors of production, not by money.

A loan of ₹1 lakh taken today, to be repaid in instalments over three years, uses money as

Options for question 15

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AnswerC · a standard of deferred payment

  1. Future payments are fixed in money, so both sides know what is owed.

The primary functions of money are

Options for question 16

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AnswerB · medium of exchange and unit of account

  1. Money must first be accepted in exchange and measure value; storing value and settling future payments follow from these.

Assertion (A): Money is a good store of value only when prices are stable.

Reason (R): When prices rise fast, the same money buys less over time.

Options for question 17

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AnswerA · Both A and R are true, and R is the correct explanation of A.

  1. Inflation eats into money's purchasing power, which weakens it as a store of value.

  2. R explains A.

Read the two statements and choose the correct option.

I. Money as a store of value has the advantage that it can be used at once to buy anything.

II. Land and gold can also store value, but they may be hard to sell quickly at a fair price.

Options for question 18

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AnswerC · Both I and II

  1. Money is the most liquid asset. I is true.

  2. Other assets store value but are less liquid. II is true.

Money is said to be the most liquid asset because

Options for question 19

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AnswerD · it can be spent at once without loss

  1. Liquidity is how easily an asset can be turned into purchases without loss; money is already the means of payment.

Which function of money lets a firm compare the costs of labour, machines and raw materials and add them up?

Options for question 20

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AnswerA · Unit of account

  1. Different things can be added only when each is valued in one common unit, rupees.

Which of these makes a thing suitable to serve as money?

Options for question 21

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AnswerD · It is widely accepted, durable and divisible

  1. Money must be accepted by all, last, divide into small amounts and move easily.

Read the two statements and choose the correct option.

I. Money removes the need for a double coincidence of wants.

II. Money removes the scarcity of goods and services.

Options for question 22

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AnswerA · Only I

  1. A seller accepts money and spends it on anything, so no matching of wants is needed. I is true.

  2. Money makes exchange easier but does not create more goods. II is false.

Salaries written into job contracts in rupees for the coming year rely on money as

Options for question 23

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AnswerB · a standard of deferred payment

  1. The payments will be made in future, and money fixes their amount today.

Assertion (A): During very high inflation, people try to hold goods rather than money.

Reason (R): Money then loses its purchasing power quickly, so it fails as a store of value.

Options for question 24

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AnswerA · Both A and R are true, and R is the correct explanation of A.

  1. Goods keep their real value while money buys less each day.

  2. R explains A.

9 questions

Legal tender is money that

Options for question 25

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AnswerD · cannot be refused by anyone in settlement of a payment

  1. Currency notes and coins are legal tender: the law requires them to be accepted.

Fiat money is money that

Options for question 26

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AnswerB · has value because the government declares it money

  1. A ₹500 note's paper is worth very little; its value comes from the government's order.

Which of these is NOT legal tender?

Options for question 27

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AnswerC · A cheque

  1. A cheque is an order to a bank to pay; a seller may refuse it.

  2. Notes and coins issued under law must be accepted.

Worth noting

Demand deposits are money, because they are widely used to pay, but they are not legal tender.

In India, currency notes other than the ₹1 note are issued by

Options for question 28

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AnswerC · the Reserve Bank of India

  1. The RBI has the sole right to issue currency notes; ₹1 notes and coins are issued by the Government of India.

Read the two statements and choose the correct option.

I. Coins in India are minted by the Government of India.

II. Demand deposits with banks are legal tender.

Options for question 29

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AnswerA · Only I

  1. Coins are issued by the government and put into circulation through the RBI. I is true.

  2. Payment by cheque or bank transfer can be refused, so deposits are not legal tender. II is false.

Assertion (A): Paper currency is accepted though the paper itself has little value.

Reason (R): Currency is fiat money, made legal tender by the government's order.

Options for question 30

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AnswerA · Both A and R are true, and R is the correct explanation of A.

  1. People accept notes because the law makes them acceptable and everyone trusts that others will accept them.

  2. R explains A.

Money whose value as a commodity equals its value as money, such as a gold coin of full weight, is called

Options for question 31

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AnswerB · full-bodied money

  1. Full-bodied money is worth as much as metal as it is as money.

  2. Today's coins are token money: the metal is worth less than the face value.

A shopkeeper refuses to accept a payment by credit card and asks for cash. The shopkeeper

Options for question 32

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AnswerC · is within his rights, because a card payment is not legal tender

  1. Only currency notes and coins are legal tender; other means of payment can be refused.

Money is best defined as

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AnswerA · anything that is generally accepted as a medium of exchange and a measure of value

  1. Money is defined by what it does: it is accepted in exchange and measures value.

  2. This is why bank deposits count as money though they are not notes.

The supply of money: M1 to M4

24 questions

Money supply is

Options for question 34

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AnswerD · the total stock of money held by the public at a point of time

  1. Money supply is a stock measured on a date.

  2. 'The public' means households and firms; money held by the government and the banking system is left out.

M1 =

Options for question 35

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AnswerA · currency held by the public + demand deposits with banks + other deposits with the RBI

  1. M1 is narrow money: the most liquid forms, ready to spend.

Money supply in India is measured and published by

Options for question 36

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AnswerB · the Reserve Bank of India

  1. The RBI publishes the monetary aggregates as part of its statistics.

Which measure of money is the most liquid?

Options for question 37

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AnswerB · M1

  1. M1 contains only currency and deposits that can be spent at once.

Money data for an economy:

Item₹ crore
Currency held by the public500
Demand deposits with banks300
Other deposits with the RBI10
Net time deposits with banks900
Savings deposits with post office savings banks60
Other deposits with post office savings banks140

What is M1?

Options for question 38

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AnswerB · ₹810 crore

  1. M1 = 500 + 300 + 10 = ₹810 crore.

Worth noting

₹800 crore forgets the other deposits with the RBI.

Money data for an economy:

Item₹ crore
Currency held by the public500
Demand deposits with banks300
Other deposits with the RBI10
Net time deposits with banks900
Savings deposits with post office savings banks60
Other deposits with post office savings banks140

What is M3?

Options for question 39

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AnswerB · ₹1,710 crore

  1. M3 = M1 + net time deposits with banks.

  2. = 810 + 900 = ₹1,710 crore.

Worth noting

₹1,770 crore also adds the post office savings deposits, which belong in M2 and M4, not M3.

Money data for an economy:

Item₹ crore
Currency held by the public500
Demand deposits with banks300
Other deposits with the RBI10
Net time deposits with banks900
Savings deposits with post office savings banks60
Other deposits with post office savings banks140

What is M2?

Options for question 40

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AnswerB · ₹870 crore

  1. M2 = M1 + savings deposits with post office savings banks.

  2. = 810 + 60 = ₹870 crore.

Which measure of money supply is called broad money?

Options for question 41

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AnswerD · M3

  1. M1 and M2 are narrow money; M3 and M4 are broad money, and M3 is the measure most used.

Arrange M1, M2, M3 and M4 from the most liquid to the least liquid.

Options for question 42

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AnswerA · M1, M2, M3, M4

  1. M1 holds only currency and demand deposits; each later measure adds less liquid deposits.

Which of these is included in money supply?

Options for question 43

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AnswerC · Cash held by a family

  1. Only money held by the public (households and firms) is counted.

  2. Money with banks and the government is not in the hands of the public.

Demand deposits are deposits that

Options for question 44

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AnswerB · can be withdrawn at any time

  1. Current accounts and the withdrawable part of savings accounts are demand deposits.

  2. Fixed deposits are time deposits.

Read the two statements and choose the correct option.

I. Money supply is a stock concept.

II. Time deposits are part of M1.

Options for question 45

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AnswerA · Only I

  1. Money supply is measured on a date, so it is a stock. I is true.

  2. Time deposits enter at M3, not M1. II is false.

Match each measure with what it adds.

List IList II
A. M1I. M3 + all deposits with post office savings organisations
B. M2II. M1 + net time deposits with banks
C. M3III. M1 + savings deposits with post office savings banks
D. M4IV. Currency with the public + demand deposits + other deposits with the RBI
Options for question 46

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AnswerB · A-IV, B-III, C-II, D-I

  1. M2 builds on M1 with post office savings deposits; M3 builds on M1 with bank time deposits; M4 builds on M3 with all post office deposits.

'Other deposits with the RBI' in M1 are

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AnswerC · deposits of other public bodies with the RBI

  1. Banks' reserves and the government's balances are not money held by the public.

  2. Other deposits are a small item belonging to other public bodies and institutions.

M3 is ₹2,500 crore and net time deposits with banks are ₹1,600 crore. M1 is

Options for question 48

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AnswerA · ₹900 crore

  1. M3 = M1 + time deposits, so M1 = 2,500 − 1,600 = ₹900 crore.

Currency held by the public is ₹400 crore, demand deposits ₹350 crore and other deposits with the RBI ₹5 crore. M1 is

Options for question 49

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AnswerD · ₹755 crore

  1. M1 = 400 + 350 + 5 = ₹755 crore.

Assertion (A): M3 is larger than M1.

Reason (R): M3 adds the net time deposits of banks to M1.

Options for question 50

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AnswerA · Both A and R are true, and R is the correct explanation of A.

  1. M3 = M1 + time deposits, and time deposits are positive. R explains A.

Read the two statements and choose the correct option.

I. M2 includes savings deposits with post office savings banks.

II. M3 includes savings deposits with post office savings banks.

Options for question 51

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AnswerA · Only I

  1. M2 = M1 + post office savings deposits. I is true.

  2. M3 = M1 + bank time deposits; post office deposits come back only in M4. II is false.

A family deposits ₹20,000 of cash into a fixed deposit at a bank. Then

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AnswerC · M1 falls by ₹20,000 and M3 does not change

  1. Cash with the public (in M1) falls by 20,000.

  2. Time deposits rise by 20,000, which are in M3 but not M1, so M3 stays the same.

Money data for an economy:

Item₹ crore
Currency held by the public500
Demand deposits with banks300
Other deposits with the RBI10
Net time deposits with banks900
Savings deposits with post office savings banks60
Other deposits with post office savings banks140

What is M4?

Options for question 53

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AnswerD · ₹1,910 crore

  1. M4 = M3 + all deposits with post office savings organisations.

  2. = 1,710 + 60 + 140 = ₹1,910 crore.

Assertion (A): Cash held by commercial banks is not part of the money supply.

Reason (R): Money supply counts only money held by the public, and banks are the producers of money, not its users.

Options for question 54

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AnswerA · Both A and R are true, and R is the correct explanation of A.

  1. Counting banks' cash as well as the deposits it backs would count the same money twice.

  2. R gives the rule that explains A.

A person withdraws ₹10,000 in cash from her savings account (a demand deposit) to keep at home. M1

Options for question 55

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AnswerA · does not change

  1. Currency with the public rises by 10,000 and demand deposits fall by 10,000.

  2. Both are in M1, so M1 is unchanged; only its form changes.

A person moves ₹50,000 from her current account into a one-year fixed deposit in the same bank. What happens to M1 and M3?

Options for question 56

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AnswerD · M1 falls by ₹50,000; M3 is unchanged

  1. Demand deposits (in M1) fall by 50,000, so M1 falls.

  2. Time deposits rise by 50,000; M3 = M1 + time deposits, so M3 does not change.

Read the two statements and choose the correct option.

I. A rise in the public's preference for holding cash rather than deposits leaves M1 unchanged at first.

II. Interbank deposits are part of the money supply.

Options for question 57

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AnswerA · Only I

  1. Moving deposits into cash changes the mix of M1, not its total, at first. I is true.

  2. Deposits that banks hold with each other are not held by the public, so they are left out. II is false.

NTA's Economics syllabus is three courses: Introductory Microeconomics, Introductory Macroeconomics and Indian Economic Development, each split into units with a list of topics. It prints no chapters and no split of the 50 questions across the courses. So the areas here are NTA's three courses, and the chapters inside them are ours: a unit that covers several ideas, such as consumer behaviour and demand, is split into a chapter for each, so that a chapter can be practised in one sitting. All three courses are here.