Efficiency of Rashid and Danish are in the ratio 5:8. If Danish takes 51 days le

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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.

Options:

A . 85 days

B . 126 days

C . 118 days

D . 136 days

Answer: Option D
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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