Question

X, Y and Z can do a piece of work in 30,40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed?

A) 660/47 B) 640/47 C) 680/47 D) 665/47

Answer 1

Answer:

X, Y and Z can do a piece of work in 30,40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed

Step-by-step explanation:

A) 660/47

A) 660/47

Answer 2

YOUR ANSWER IS,

OPTION [A] 660/47

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