Question

A work can be completed by workers in days. If workers leave every days, in how many days work will be completed?

A

B

C

D

Medium
NTSE

Solution

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Correct option is C)

A work can be completed by workers in days.
Number of days required to complete the work by one worker mandays(days per worker)
Day----mandays----total mandays
10             400              400
20            350              750
30            300              1050
40            250              1300
50            200              1500
:
After 50 days:
1500 man-hrs have been accumulated, 15 men are on the job.
Then, 100 more man-days required
Total no. of days required days.
Hence, option C is correct.

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