tcs - in a software company work is done by the employees in 24 min one of them can do this work alone in 40 min how much time required to do the same work for the second person - skillgun

Two people work together in 24 mins.
So, their one day work is
(1/A)+(1+B)=(1/24)
One man can complete the work in 40mins
one man's one day work (1/B)= (1/40)
Now,
(1/A)=(1/24)-(1/40)
(1/A)=(1/60)
So, A can complete the work in 60 mins.