Arithmetic Ability
Time and Work

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Q.

Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages?

View Answer

Correct choice: D

Explanation:

Number of pages typed by Adam in 1 hour = 36/6 = 6 Number of pages typed by Smith in 1 hour = 40/5 = 8 Number of pages typed by both in 1 hour = (6 + 8) = 14 Time taken by both to type 110 pages = (120 * 1/14) = 8 4/7 = 8 hrs 34 min.
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