Aptitude - Time and Work - Discussion
Discussion Forum : Time and Work - General Questions (Q.No. 18)
18.
Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
Answer: Option
Explanation:
| Number of pages typed by Ravi in 1 hour = | 32 | = | 16 | . |
| 6 | 3 |
| Number of pages typed by Kumar in 1 hour = | 40 | = 8. |
| 5 |
| Number of pages typed by both in 1 hour = |  |
16 | + 8 |  |
= | 40 | . |
| 3 | 3 |
 Time taken by both to type 110 pages = |
|
110 x | 3 | |
hours |
| 40 |
| = 8 | 1 | hours (or) 8 hours 15 minutes. |
| 4 |
Discussion:
53 comments Page 6 of 6.
Mani said:
1 decade ago
33/4
8.25
0.25 *60 = 15
8.25
0.25 *60 = 15
Mahesh said:
1 decade ago
1 hour mean 60 minutes
1/4 hour mean 15 minutes
1/2 hour = 30 minutes
1/4 hour mean 15 minutes
1/2 hour = 30 minutes
Pandu said:
1 decade ago
How to calculate the 8 1/4 hours= 8 hours 15 minutes.
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