49.
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Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
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7 hours 30 minutes
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8 hours
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8 hours 15 minutes
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8 hours 25 minutes
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Answer: Option C
Explanation:
Number of pages typed by Ravi in 1 hour =
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32
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=
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16
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.
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6
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3
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Number of pages typed by Kumar in 1 hour =
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40
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= 8.
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5
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Number of pages typed by both in 1 hour =
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16
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+ 8
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=
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40
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.
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3
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3
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Time taken by both to type 110 pages =
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110 x
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3
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hours
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40
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= 8
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1
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hours (or) 8 hours 15 minutes.
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4
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Title : Time And Work Q49
Description : 49. Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 4...
Rating : 5
