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.
Question 1
15 Nov 2020 Tier II
3Rishu 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.
Question 2
29 Jan 2022 Tier II
45A 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.
Question 3
29 Jan 2022 Tier II
100The monthly expenses of a person are % 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.
Question 4
3 Feb 2022 Tier II
1A person saves 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.