Arithmetic Ability
Time and Work

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Q.

A can complete a piece of work in 12 days and B is 60% more efficient than A. In how many days B will complete the same work ?

View Answer

Correct choice: D

Explanation:

Ratio of times taken by A and B = 160 : 100 A can do the work in 12 days Let B can do the work in "D" days => 160:100 = 12 : D => D = 12 x 100/160 = 7.5 hrs
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