A cylindrical pipe has inner diameter of 4 cm and flows through it at the rate of 20 meter per minute. How long would it take to fill a conical tank of radius 40 cm and depth 72 m?
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R of cylindrical pipe=2m
Length of water flown in 1 min=20m
Vol. of water flown in 1 min=22/7×2×2×20=80×22/7
Vol of conical tank=1/3 × 22/7 ×40×40×72= 384 × 22/7
Let the time taken to fill conical tank be x.
So 384×22/7= 80×22/7 × x
x=48 min i.e.,time taken to fill the conical tank is 48 min.
Length of water flown in 1 min=20m
Vol. of water flown in 1 min=22/7×2×2×20=80×22/7
Vol of conical tank=1/3 × 22/7 ×40×40×72= 384 × 22/7
Let the time taken to fill conical tank be x.
So 384×22/7= 80×22/7 × x
x=48 min i.e.,time taken to fill the conical tank is 48 min.
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