Two workers A and B are engaged to do a piece of work. A, working alone, would t

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Two workers A and B are engaged to do a piece of work. A, working alone, would take 8 hours more to complete the work than if both of them work together. If B worked alone he would take 4 hours more to complete the work than they both need working together. The time required for both of them to finish the work together is

Options:

A . 4 hours

B . 5 hours

C . 6 hours

D . 7 hours

Answer: Option C

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