Question

A and b together can make a wall in 60 days a has worked for 12 days b finishes the remaning work in 36 days how many days will b take to finish the whole work alone

Answer 1

GIVEN : A and B make wall in 60 days
A work for 12 days
B finish the remaining work in 36 days
TO FIND: days will B take to finish the whole work alone
SOLUTION : A and B can do 1/60 work in a day
they together work for 12 days means there work is 12/60=1/5
remaining work =1-1/5=4/5
B do this work in 36 days
4/5÷days take by B to complete work=36
days taken by B to complete work36×5/4
B takes 45 days to complete the whole work alone
hope it helps you