### Editorial / Best Answer

Answered by:
itwasnoteasy

you assumed that they together can copy 140 pages coz' 70 per head, which is wrong. its clearly mentioned 70 pages together. if you go by your way it would 140-50 = 90 which B can copy in 10 hrs. which is not right.Rather, 70-50 = 20, which B can copy in 10 hrs. so B would copy 26 pages in:(26/20)*10 = 13 hrs.

## If A can copy 50 pages in 10 hours and A and B together can copy 70 pages in 10 hours, how much time does B takes to copy 26 pages?if anyone know the ans for this apps question pls tell me

This question is related to TCS Interview## Editorial / Best Answer

Answered by: itwasnoteasy

you assumed that they together can copy 140 pages coz' 70 per head, which is wrong. its clearly mentioned 70 pages together. if you go by your way it would 140-50 = 90 which B can copy in 10 hrs. which is not right.Rather, 70-50 = 20, which B can copy in 10 hrs. so B would copy 26 pages in:(26/20)*10 = 13 hrs.

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