Karim can type 10 pages in 5 minutes. Rahim can type 5 pages in 10 minutes. Working together, how many pages can they type in 30 minutes ?
Solution
Correct Answer: Option D
For Karim,
5 mintues= 10 pages
30 minutes= 10*30/5 = 60 pages
For Rahim,
10 minutes= 5 pages
30 minutes= 5*30/10 = 15 pages
Total pages= 60+15 pages = 75 pages
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