Practice Questions on Ratios & Proportion
Aptitude Questions and Answers

Moderate Ratios & Proportion Question - 11

Q11.

The ratio of squares of first $n$ natural numbers to square of sum of first $n$ natural numbers is $17:325$. The value of $n$ is:

A.

15

B.

25

C.

35

D.

40

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Moderate Ratios & Proportion Question - 12

Q12.

Two men, sitting on the dining table. One man has 7 eggs and other had 5 eggs. A third man passing by requested them to share their food in return for money. The three of them shared the eggs equally and the third traveller paid the other two a total of Rs 24.

Find the difference between the amounts received by first two men?

A.

Rs 18

B.

Rs 12

C.

Rs 16

D.

Rs 15

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Moderate Ratios & Proportion Question - 13

Q13.

$A$, $B$ and $C$ play cricket. $A$'s runs are to $B$'s runs and $B$'s runs are to $C$'s as $3:2$. They get altogether 342 runs. How many runs did $A$ make? 

A.

162

B.

108

C.

72

D.

None

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Common Information

The cost of fuming the engine of an army tank is proportional to the square of the speed and Rs 64 per hour for a speed of 16km/hr. Other costs amount to Rs 400 per hour. The tank has to make a journey of 400km at a constant speed.

Moderate Ratios & Proportion Question - 14

Q14.

Common Information Question: 1/2

The most economical speed for this journey is :

A.

20 km/hr

B.

30 km/hr

C.

35 km/hr

D.

40 km/hr

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Moderate Ratios & Proportion Question - 15

Q15.

Common Information Question: 2/2

The total cost for the journey at this most economical speed is :

A.

Rs 6,000

B.

Rs 8,000

C.

Rs 10,000

D.

Rs 11,000

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