Quantitative Aptitude Ques 792

Question: 50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is $ 4m^{3}, $ then the rise in value level

Options:

A) 20 cm

B) 35 cm

C) 25 cm

D) 50 cm

Show Answer

Answer:

Correct Answer: C

Solution:

  • Total volume of water displaced $ =(4\times 50)m^{3}=200m^{3} $

$ \therefore $ Rise in water level $ =( \frac{200}{40\times 20} )m=0.25m=25cm $