Sonia can copy 50 pages in 10 hours. PriyaSonia can copy 300 pages in

1.	Sonia can copy 50 pages in 10 hours. PriyaSonia can copy 300 pages in 40 hours. In hmuch time can Priya copy 30 pages?
Answer» Sonia can copy one page in 10/50 = 1/5 hr Priya and Sonia together can copy one page in 40/300 = 2/15 hr Then, Priya can copy one page in = 1/5 - 2/15= (3 - 2)/15 = 1/15 Therefore, Priya can copy 30 pages in= 30/15 = 2 hours

Sonia can copy 50 pages in 10 hours. PriyaSonia can copy 300 pages in 40 hours. In hmuch time can Priya copy 30 pages?

Answer»

Sonia can copy one page in 10/50 = 1/5 hr

Priya and Sonia together can copy one page in 40/300 = 2/15 hr

Then, Priya can copy one page in = 1/5 - 2/15= (3 - 2)/15 = 1/15

Therefore, Priya can copy 30 pages in= 30/15 = 2 hours