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A can write 32 pages in 6 hours and B can write 40 pages in 5 hours. If they write together, in how many hours they can write 110 pages ?

Correct Answer: 8 hrs 15 min

Explanation:

A can write in 1hour = 32/6 pages


Similarly, B in 1 hour = 40/5 pages


Together (A+B) in 1 hour = 32/6 + 40/5 = 40/3


So, A+B write 40/3 pages in 1 hour


A+B write 110 pages in (3/40) x 110 Hours = 8 hours 15 min.


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