Symbiosis National Aptitude Test SNAP 2016 Paper

Question : 6 of 150

Marks: +1, -0

P and Q are working on an assignment. P takes 3 hours to type 20 pages on a computer. While Q take 4 hours to type 25 pages. How much time will they together take to type an assignment of 620 pages working on two different computers?

64 hrs
48 hrs
40 hrs.
60 hrs.

Validate

Solution:

Total number of pages typed by P and Q in one hour = 20/3 + 25/4 = 155/12
Time taken by them to type 620 pages
= 620 ×

{12}/{155}

= 48 hrs.

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