८ है 1९4३ 2% ४ 9 ६2९4९] 1941:(० [8 0६ 1814 ह�

1.	८ है 1९4३ 2% ४ 9 ६2९4९] 1941:(० [8 0६ 1814 है 241० 24 ४ [2013 0४RoL (¢ [9 006 1ढ1% 216 9189 12॥24 9 24% ४ २०७३५ 0] 24%1- (५० [90 09 9106 फि "08
Answer» Subhash can copy 50 pages in 10 hours.That means in 40 hours he can copy 50×4=200 pages. Subhash and prakash together can copy 300pages in 40 hours. That means prakash alone can copy 300-200=100 pages in 40 hours. So to copy 30 pages prakash will take 40/100 ×30 = 12 hours.

८ है 1९4३ 2% ४ 9 ६2९4९] 1941:(० [8 0६ 1814 है 241० 24 ४ [2013 0४RoL (¢ [9 006 1ढ1% 216 9189 12॥24 9 24% ४ २०७३५ 0] 24%1- (५० [90 09 9106 फि "08

Answer»

Subhash can copy 50 pages in 10 hours.That means in 40 hours he can copy 50×4=200 pages.

Subhash and prakash together can copy 300pages in 40 hours.

That means prakash alone can copy 300-200=100 pages in 40 hours.

So to copy 30 pages prakash will take 40/100 ×30 = 12 hours.