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Numerical Inequalities · Question 5 of 79

For which monthly data use is Plan A the cheaper plan?

Question 5

EasyOriginal question

Plan A costs ₹199 a month plus ₹2 for every GB of data used. Plan B costs a flat ₹299 a month with unlimited data. Let xx be the GB used in a month.

For which monthly data use is Plan A the cheaper plan?

Options for question 5

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. 199+2x<299⇒2x<100199 + 2x < 299 \Rightarrow 2x < 100.

  2. x<50x < 50 GB.

Worth noting

x<100x < 100 forgets to divide by 2.

Concept
Solving a linear inequality
Typical time
90 s
Your time
—
The rule this testsThe laws of inequality
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