

MCQOPTIONS
Saved Bookmarks
1. |
A can type 100 pages in 20 hours; A and B can type 600 pages in 80 hours. In how much time can B type 40 pages? |
A. | 15 hours |
B. | 16 hours |
C. | 14 hours |
D. | 12 hours |
Answer» C. 14 hours | |