A work is done by three person A, B and C. A alone takes 10 hours to complete a single product but B and C working together takes 4 hours, for the completion of the same product. If all of them worked together and completed 14 products, then how many hour : Crackverbal Support

A work is done by three person A, B and C. A alone takes 10 hours to complete a single product but B and C working together takes 4 hours, for the completion of the same product. If all of them worked together and completed 14 products, the Print

Modified on: Tue, 12 Oct, 2021 at 12:17 PM

CONCEPT: Time and Work

-Calculate unit work to breakdown data for 1hr or 1 day.

SOLUTION:

Work of A in one hour=1/10

B+C in 1 hour=1/4

A+B+C=(1/10+1/4) in 1 hour=14/40 products

Given, total number of products they completed working together=14

Hence total time to complete= 14/(14/40)=40 hrs.(C)

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