Question

P can do job in 15 days. In how many days P and Q together complete the job if Q works twice fast as P? ​

Answer 1

Answer:

5 day

Step-by-step explanation:

let us total work is 60

then,

p work efficiency is 60/15= 4 work / day

and q work efficiency = twice p = 8work/ day

both work efficiency together= 12 work /day

total time taken = 60/12 = 5 day is righ ans

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Answer 2

Answer:

I hope it helps you

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