A constructor estimates that 721 persons could complete job in 48 days .if he has to complete the job in 21 days , how many persons should he employ?
Answers
Answered by
7
Answer:
No. of persons needed to complete the job in 48days = 721
No. of persons needed to complete the job in 1day = 721×48
No. of persons needed to complete the job in 21days = 721×48/21
= 1648. ans.
Answered by
7
Answer:
JOB CAN BE COMPLETED IN 48
DAYS BY 721 PEOPLE
NO OF PEOPLE NEEDED TO
COMPLETE SAME JOB IN 21 DAYS =
(21×721)/48 = 316
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