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Simple & Compound Interest · Question 20 of 60

Question 20

MediumOriginal question

What principal will earn ₹1,500 as simple interest in 1 year 3 months at 8% per annum?

Options for question 20

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. 1 year 3 months = 1312=541\frac{3}{12} = \frac{5}{4} years.

  2. P=1500×1008×54=15000010=15000P = \frac{1500 \times 100}{8 \times \frac{5}{4}} = \frac{150000}{10} = 15000.

  3. The principal is ₹15,000.

Worth noting

Ignoring the 3 months gives ₹18,750. Reading 1 year 3 months as 1.5 years gives ₹12,500; 3 months is a quarter of a year.

Concept
Finding the principal with time in years and months
Typical time
50 s
Your time
—
The rule this testsSimple interest
Practise this chapter →

Ten questions from Simple & Compound Interest, at your own pace.

Practise this chapter →

Ten questions from Simple & Compound Interest, at your own pace.