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Multiple Choice Questions

Priya take 8 hours to draw 60 pages on a computer while parul takes 6 hours to draw 45 pages on comp...........

Quantitative Aptitude (RRB NTPC) Time and work

Priya take 8 hours to draw 60 pages on a computer while parul takes 6 hours to draw 45 pages on computer. If both are working together in how much time will they draw a lot of 120 pages?

8 hrs

7 hrs

9 hrs

11 hrs

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Explanation:

First calculate no of pages they draw in one hour. For priya it is 60/8 and for parul it is 45/6.
Now total pages they draw in one hour is 60/8 + 45/6 = 15
So to print 120 time they will take = 15*X = 120. So X = 8hrs

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