How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 49

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IMPORTANT

Earn 100

The total number of pupils in three classes of a school is $700$ . The number of pupils in classes I and II are in the ratio $1 : 4$ and those in classes II and III are in the ratio $3 : 5$ . Find the number of pupils in the class, having the highest number of pupils.

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Important Questions on Ratio, Proportion and Variation

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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 50

Sahil can row a certain course up the stream in

84

minutes, and can row the same course down stream in

9

minutes less than that he can row it in still water. How long would he take to row down with the stream?

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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 51

If

(P + Q) : (Q + R) : (R + P) = 3 : 9 : 8

and

P + Q + R = 20

, then what is the value of

R

?

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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 52

x

varies directly as

(y^{2} + z^{2})

. At

y = 2

and

z = 3

, the value of

x

is

26

. Find the value of

x

, when

z = 1

and

y = 5

.

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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 53

The wages of labourers in a factory has increased in the ratio

22 : 25

and their number is decreased in the ratio

3 : 2

. What was the original wage bill of the factory, if the present bill is

₹ 5000

?

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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 54

The monthly salaries of two persons are in the ratio of

1 : 7

. If each receives an increase of

₹ 2500

in the salary, the ratio is altered to

4 : 13

. Find their respective salaries.

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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 55

The ratio of boys to girls in a class is

5 : 3

. The class has

16

more boys than girls. How many girls are there in the class?

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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 56

X, Y and Z play cricket. X's runs are to Y's runs and Y's runs are to Z's runs as

3 : 2

. They score a total of

342

runs. How many runs did Z make?

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IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 57

In a school,

5 %

of the number of girls is equal to

\frac{1}{10}

of the number of boys. Find the ratio between the number of boys to the number of girls.