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 4 of 6.
Vikas baba said:
8 years ago
Please, tell me that why we not required of remaining work = 1-40/3 =37/3?
KUMAR ABHISHEK said:
9 years ago
How the answer is option C?
The correct answer is 8 hours 25 minutes.
The correct answer is 8 hours 25 minutes.
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
Ranji said:
10 years ago
D is the option C is incorrect it comes as 8.25 hrs and not 8.15 hrs.
Supritam Mohanty said:
4 years ago
Ans. is 8.25.
The ans is 8(1/4),
That means 8.25.
Because 1/4= 0.25.
The ans is 8(1/4),
That means 8.25.
Because 1/4= 0.25.
(6)
Anil said:
1 decade ago
1 hr = 60 minutes.
0.25 hr = x.
Cross multiplication.
60*0.25 = 15.
0.25 hr = x.
Cross multiplication.
60*0.25 = 15.
Abhi said:
9 years ago
Why 40/3 is taken as 3/40? Not getting this, please help me.
(1)
Milon said:
9 years ago
Anybody know the quick method to solve this type of problem?
Pandu said:
1 decade ago
How to calculate the 8 1/4 hours= 8 hours 15 minutes.
Vivek said:
1 decade ago
How will you get 8 1/4 when you multiply 110*3/40?
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