A does 20% less work than B. If A can complete a piece of work in $$7\frac{1}{2}$$ hours, then B can do it in ? Options: A . &nbsp$${\text{6}}\frac{1}{2}{\text{ hours}}$$ B . &nbsp6 hours C . &nbsp$${\text{5}}\frac{1}{2}{\text{ hours}}$$ D . &nbsp5 hours

A does 20% less work than B. If A can complete a piece of work in $$7\frac{1}{2}

Question

A does 20% less work than B. If A can complete a piece of work in $$7\frac{1}{2}$$ hours, then B can do it in ?

Options:

A . $${\text{6}}\frac{1}{2}{\text{ hours}}$$

B . 6 hours

C . $${\text{5}}\frac{1}{2}{\text{ hours}}$$

D . 5 hours

Answer: Option B

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