Question

A write 5 page in 10 minutes and b write 10 pages in 5 min.how many pages they will write together after 30 minutes

Answer 1

About A
10minutes:5 page
1 minute:1/2 page
30 minutes :15page
About B
5 min:10pages
1 min:2pages
30 minutes :60 pages
Total pages they will write together after 30 minutes =15+60=75 pages