Question

· A can do a piece of work in 10 days and B
can do the same work in 12 days. How
long will they take to finish the work, if
60th work together?
​

Answer 1

Step-by-step explanation:

A can finish the work=10days

A'sone day work=1/10

B can finish the work=12days

B's one day work=1/12

AandB's one day work=1/10+1/12=11/60

work=1

days=1/11/60=60/11=5whole5/11 days