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  9. Q16

UKPSC PCS 2012 · Question 16 of 78

It takes 3 hours to fill a tank but because of some leakage at the bottom of the tank, it takes one more hour to fill the tank. In how many hours, the tank becomes empty just because of hole ?

Quant

  1. A8
  2. B10
  3. C12Correct
  4. D14

Answer: C. 12

Explanation

Leak drains 1/3 - 1/4 = 1/12 of the tank per hour, so it empties the full tank in 12 hours.

Source: UKPSC 2012 Prelims CSAT Paper-II (adda247/studyfry PDF), exam held 30 Nov 2014

← Q15View full paper (78 questions)Q17 →

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