SSC CGL Model Paper 1

Question : 64 of 100

Marks: +1, -0

15 taps can fill

1/4

th tank in 4 hours. How many taps are required to fill the rest of the tank in another 9 hours?

Solution:

Let x be no. of taps

{M_1T_1}/W_1={M_2T_2}/W_2

⇒

{15×4}/{1/4}={x×9}/{3/4}

⇒

x = 20

taps

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