PYQ Vault

Saves a percent of income; income and expenditure rise by given percents: change in savings or the missing percent

This type of question, asked 3 times: 15 Nov 2020 Tier II, 29 Jan 2022 Tier II, 3 Feb 2022 Tier II. All 4 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    15 Nov 2020 Tier II

    3
    Rishu saves *x*% of her income. If her income increases by 26% and the expenditure increases by 20%, then her savings increase by 50%. What is the value of x?

    Tap an option to check your answer.

  2. Question 2

    29 Jan 2022 Tier II

    45
    A saves 35% of his income. If his income increases by 20.1% and his expenditure increases by 20%, then by what percentage do his savings increase or decrease? (correct to one decimal place)

    Tap an option to check your answer.

  3. Question 3

    29 Jan 2022 Tier II

    100
    The monthly expenses of a person are 662366\frac{2}{3}% more than her monthly savings. If her monthly income increases by 44% and her monthly expenses increase by 60%, then there is an increase of ₹1,040 in her monthly savings. What is the initial expenditure (in ₹)?

    Tap an option to check your answer.

  4. Question 4

    3 Feb 2022 Tier II

    1
    A person saves 3313%33\frac{1}{3}\% of his income. If the saving increases by 22% and the expenditure increases by 10%, then the percentage increase in his income is:

    Tap an option to check your answer.