A large tanker can be filled by two pipes A and B in 60 minutes and 4…

Question

A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together…

Accepted Answer

Option D. 30 minutes. Answer & Solution Answer: Option D Solution: & Part\, filled\, by\,(A + B)\, in\, 1\, minute & = 160 + 140 = 124 & Suppose\, the\, tank\, is\, filled\, in\,x\, minutes & Then,\,x/2 ( 124 + 140 ) = 1 & x/2 × 115 = 1 & x = 30\, minutes

A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?

Solution