Question

A takes 5 days to complete a job and B takes 10 days to complete the same job .In how many days they will complete the job altogether?​

Answer 1

Answer:

10/3 days.

Step-by-step explanation:

A and B will together complete the work in 1day = 1/5 + 1/10 = 3/10.

Thus A and B will together complete the work in 10/3 days.

Answer 2

Answer:

Time taken by a to complete work=five days

Time taken by b to complete the work = ten days

Time taken by both of them to complete work = 1/2*5=2.5+1/2*10=5=A+B

2.5+5=7.5 days

Hope it will help you