Question

A can do 50% more work than b can do in the same time. B alone can do a piece of work in 20 hr. A, with the help of b, can finish the same work in how many hours?

Answer 1

ab jab dono saath mein kaam krege time kam lagega.

jitne time mein A 3x/2 work krega utne time mein B x work krega.

hope it helped

Answer 2

Answer:

Refer the attachnment...............