CBSE BOARD X, asked by sidarora753, 17 hours ago

both are kept open, how long Will it take to fill the tank? 9. A and B can finish a piece of work in 6 days and 4 days respectively. A started work and worked for 2 days. He was then joined by B, find the time taken to finish the work

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Answered by bsingh15251

1

12 km to b work the tank in a world a

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