Question

A group of 20 boys can complete a

Q: Answer-A group of 20 boys can complete a task in 15 days. Similarly, 24 girls can finish the same task in 2...

ATQ, Let efficiency of each boy be b unitsday and that of each girl be g unitsday ATQ 20 15b 24 20g Or, bg 85 So, a 8 and b 5 So, required value 8 5 13

task in 15 days. Similarly, 24 girls can finish the same task in 20 days. If the ratio of the efficiencies of each boy and each girl is a:b (where a and b are co-prime), determine the value of a+b.

A 13

B 15

C 22

D 10

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