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A pipe of diameter ‘d’ can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter ‘2d’ for doing the same job in:
5Q:
A pipe of diameter ‘d’ can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter ‘2d’ for doing the same job in:
- 15 minutesfalse
- 210 minutestrue
- 320 minutesfalse
- 480 minutesfalse
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