EASY
CAT
IMPORTANT
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25 students can do a job in 12 days, but on the starting day, five of them informed that they are not coming. By what fraction will the number of days required for doing the whole work increased?

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Important Questions on Ratio, Proportion and Variation

EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 37
A dishonest shopkeeper mixed 1 litre of water for every 3 litres of petrol and thus made up 36 litres of petrol. If he now adds 15 litres of petrol to the mixture, find the ratio of petrol and water in the new mixture.
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 38

₹3000 is distributed among p, q, r such that p gets 23 of what q and r together get and r gets 12 of what p and q together get. Find r's share.

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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 39
If the ratio of the ages of A and B is 2:5 at present, and fifiteen years from now, the ratio will get changed to 7:13, then find A's present age.
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 40
At constant temperature, pressure of a definite mass of gas is inversely proportional to the volume. If the pressure is reduced by 20%, find the respective change in volume.
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 41
If ₹232 is divided among 150 children such that each girl and each boy gets ₹1 and ₹2 respectively, then, find the number of girls.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 42
If 620 bananas were distributed among three monkeys in the ratio 13:12:15, how many bananas did the first monkey get?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 43
A mixture contains milk and water in the ratio 3:1. On adding 5 litres of water, the ratio of milk to water becomes 2:1. Find the quantity of milk in the mixture.
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 44
A beggar had one rupee, two rupess and five rupees coints in the ratio 5:15:12 respectvely at the end of the day. If that day he earned a total of ₹95, how many one rupee coins did he have?