Aptitude - Time and Work - Discussion
Discussion Forum : Time and Work - General Questions (Q.No. 2)
2.
A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:
Answer: Option
Explanation:
| (A + B + C)'s 1 day's work = | 1 | , |
| 4 |
| A's 1 day's work = | 1 | , |
| 16 |
| B's 1 day's work = | 1 | . |
| 12 |
 C's 1 day's work = |
1 | - |  |
1 | + | 1 |  |
= | |
1 | - | 7 | |
= | 5 | . |
| 4 | 16 | 12 | 4 | 48 | 48 |
| So, C alone can do the work in | 48 | = 9 | 3 | days. |
| 5 | 5 |
Discussion:
224 comments Page 21 of 23.
Des said:
1 decade ago
How did they get 48 in 7/48?
Yasodha said:
1 decade ago
How to came 4/48 explain it?
Shimpi said:
1 decade ago
Please help me in 1/4-7/48.
Lovely said:
1 decade ago
Why take 1/4 in first step?
Ravi said:
1 decade ago
Thanks uththapa. I get it.
Phani Kumar said:
1 decade ago
Can explain 5/48 has come?
Sonu singh said:
5 years ago
Thanks all for explaining.
Rajasekar said:
1 decade ago
How 5/48 is written 48/5?
Mallik said:
1 decade ago
Reema explained clearly.
Kumar said:
10 years ago
@Amit.
It is addition.
It is addition.
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