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x can copy 80 pages in 20 hours, x and y...

x can copy 80 pages in 20 hours, x and y together can copy 135 pages in 27 hours. Then y can copy 20 pages in

A

20 hours

B

3 hours

C

24 hours

D

12 hours

Text Solution

Verified by Experts

The correct Answer is:
A
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