If a pipe can fill a tank of capacity 50l in 5 hours. Then how long will it take to fill a tank of capacity 75l.
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Solution
Volume of water in a tank ∝ time required to fill it So here x1y1=x2y2 Here x1=50ly1=5hrx2=75l and y2? 505=75x⇒x=75×550=152=712 hr Time required to fill a tank of capacity 75l is 712 hr