EASY

CAT

IMPORTANT

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The cost of food accounted for $25 %$ of the income of a particular family. If the income gets raised by $20 %$ , then what should be the percentage point decrease in the food expenditure as a percentage of the total income to keep the food expenditure unchanged between the two years?

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Important Questions on Percentages

MEDIUM

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 22

If the length, breadth and height of a cube are decreased, decreased and increased by

5 %, 5 %

and

20 %

respectively, then what will be the impact on the surface area of the cube?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 23

Aman's salary is first increased by

25 %

and then decreased by

20 %

. The result is the same as Baman's salary increased by

20 %

and then reduced by

25 %

. Find the ratio of Baman's initial salary to that of Aman's initial salary.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 24

The minimum quantity of Kerosene in litres that should be mixed in a mixture of

60

litres, in which the initial ratio of Kerosene to water is

1 : 4

, so that the resulting mixture has

15 %

Kerosene is _____.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 25

A person saves

5 %

of his income. Two years later, his income shoots up by

20 %

, but his savings remain the same. Find the hike in his expenditure.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 26

P

50 %

more than

Q, R

\frac{2}{3}

P

and

S

60 %

more than

R

. Now, each,

P, Q, R

and

S

is increased by

10 %

, then, find what percent of

Q

S

(after the increase)?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 27

Alok and Bimal have, between them,

₹ 12000

. Alok spends

12 %

of his money, while Bimal spends

20 %

of his money. They are then left with a sum that constitutes

85 %

of the whole sum. Find what amount is left with Alok.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 28

In order to maximise his gain, a theatre owner decides to reduce the price of tickets by

20 %

and as a result of this, the sales of tickets increase by

40 %

. If, as a result of these changes, he is able to increase his weekly collection by

₹ 168000

, find by what value did the gross collection increase per day.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 8 - Percentages>Level of Difficulty>Q 29

In a town consisting of three localities A, B and C, the population of the three localities A, B and C are in the ratio

9 : 8 : 3

. In locality A,

80 %

of the people are literate, while in locality B,

30 %

of the people are literate. If

90 %

people in locality C are literate, find the percentage literacy in the town.

The cost of food accounted for 25% of the income of a particular family. If the income gets raised by 20%, then what should be the percentage point decrease in the food expenditure as a percentage of the total income to keep the food expenditure unchanged between the two years?

Important Questions on Percentages

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The cost of food accounted for $25 %$ of the income of a particular family. If the income gets raised by $20 %$ , then what should be the percentage point decrease in the food expenditure as a percentage of the total income to keep the food expenditure unchanged between the two years?