Basic Maths Data Intensity 3 :: Discussion


1.Efficiency of Rashid and Danish are in the ratio 5:8. If Danish takes 51 days less than Rashid to complete the work, find the time taken by Rashid to complete the work?
A.85 days
B.126 days
C.118 days
D.136 days
Answer:  Option  D
Explanation:

Time taken is inversely proportional to their efficiency. So, time taken is in the ratio 8:5. Time taken by Rashid to finish the work = 8x Time taken by Danish to finish the work = 5x 8x-5x=51 3x=51 x=17 8x=136

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Published by:Michael Daani

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