SSC CGL Tier II 21 Sep 2014 Paper

Question : 61 of 100

Marks: +1, -0

Having the same capacity 9 taps fill up a water tank in 20 minutes. How many taps of the same capacity are required to fill up the same water tank in 15 minutes ?

Validate

Solution:

(2)

{M}_{1} {D}_{1}= {M}_{2} {D}_{2}

⇒ 9 × 20=M_{2} × 15

⇒ M_{2}= {9 × 20}/{15}=12

pipes
Note : Same relation as men and days is applicable

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