Math, asked by satyajit20, 3 months ago

4 friends A, B, C and D can do a work P in 12 days if they all work together. Efficiency of A, B and C are in rato
5:4:3. D completes 20% of the work alone. A and B can
complete work P in Q days. C and D can complete
the work in R days. All four friend can do another
work S in (Q+R-15) days. Find the total unit of
work S.

Answers

Answered by gaursonu829

Answer:

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