How to become Topper in 15 days

How To Get 90% in 15 days in Class 12 Boards | How To Score 90% in 15 Days #90%

A does a work in 10 days and B does th,e same work in 15 days. In how many days they together will do the same work?

A and B together do a piece of work in 15 days.B can do it alone in 20 days.In how many days can A do it alone.

If 25 men earn Rs 1000 in 10 days, how much will 15 men earn in 15 days?

A and B can do piece of work in 12 days; B and C in 15days;C and A in 20 days.In how many days will they finish it together and separately ?

If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?