Management Aptitude Test 2018 Paper

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Question : 96 of 200

Marks: +1, -0

A cistern is normally filled in 8 h but takes 2 h longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in ...............

30 h
35 h
40 h
45 h

Solution:

(c) Let the time taken by the leak to empty the tank be t h.
According to the question,

1/8-1/t=1/10

⇒

1/t=1/8-1/10 =1/40

⇒ t = 40 h

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