Question

Amar writes 50 pages in 10 hours ,amar and beena together write 70 pages in 10 hours , how many hours can beena finish 36 pages in?

Answer 1

Step-by-step explanation:

In 1 hr A writes = 5 pgs

(A+B) together in 1 hr writes = 7 pgs

So, in 1 hr B will write = (7 - 5) = 2 pgs

Again, for writing 2 pgs B takes = 1 hr.

so for writing 26 pgs B will take = 13 hr.

Answer 2

Answer:

18 hours..........ok bro