A does 20 % less work then B. If A can complete a piece of work in71/2h, then B can do it in

A does 20 % less work then B. If A can complete a piece of work in71/2

1.	A does 20 % less work then B. If A can complete a piece of work in 7¹/₂h, then B can do it in
A.	4 h
B.	6 h
C.	8 h
D.	10 h
Answer» C. 8 h

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A does 20 % less work then B. If A can complete a piece of work in71/2h, then B can do it in

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A does 20 % less work then B. If A can complete a piece of work in
7¹/₂h, then B can do it in