Practice Questions on Ratios & ProportionAptitude 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

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

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

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

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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