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A Reservoir Is Provided By Two Pipes A And B. A Can Fill The Reservoir 5 Hours Faster Than B. If Both Together Fill The Reservoir In 6 Hours, The Reservoir Will Be Filled By A Alone In? |
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Answer» If x is the speed then speed of A= x + 5 and B = x Time taken by A and B will be x and x + 5 RESP. 1/x + 1/x + 5 = 1/6 ; X2 – 7x - 30 = 0 x = -3 or x = 10. Since time can’t be negative, x =10. If x is the speed then speed of A= x + 5 and B = x Time taken by A and B will be x and x + 5 resp. 1/x + 1/x + 5 = 1/6 ; x2 – 7x - 30 = 0 x = -3 or x = 10. Since time can’t be negative, x =10. |
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