if 20 persons can do a piece of work in 7 days then the number of persons required to complete the work in 28 days is???????????????????????????????????????? pls help me
Answers
Answered by
13
Answer:
5 workers
Step-by-step explanation:
total days for a single worker= 20*7=140
days for 28 workers = 140/28=5
trick is, work is constant and total work= total workers*no of days
Answered by
9
20 persons completes the work in 7 days.
1 person can complete the work in :
20 × 7 days
No. of persons required to complete the work in 28 days = 140 /28
= 5
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