Aptitude - Pipes and Cistern - Discussion
Discussion Forum : Pipes and Cistern - General Questions (Q.No. 2)
2.
Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:
Answer: Option
Explanation:
| Net part filled in 1 hour |  |
1 | + | 1 | - | 1 |  |
= | 17 | . |
| 5 | 6 | 12 | 60 |
 The tank will be full in |
60 | hours i.e., 3 | 9 | hours. |
| 17 | 17 |
Discussion:
57 comments Page 3 of 6.
Shruthi g.r said:
9 years ago
Can you please once again clear how it comes 60/17 in hours 3 * 9/17?
Ang said:
1 decade ago
Why we didnt take ( 1/12 - (1/5+1/6) ). Here 12 is greater right?
Prabhat said:
8 years ago
Just take it by formula.
5 * 6 * 12/6 * 12+ 5 * 12-5 * 6 = 60/17.
5 * 6 * 12/6 * 12+ 5 * 12-5 * 6 = 60/17.
Pranav Kumar said:
10 years ago
I didn't understand this problem and can some one make it clear.
Sandeep said:
10 years ago
Can you please explain it clearly that how we get 3*9/17?
Sushmitha said:
10 years ago
17)60(3
51
= 60-51 = 9.
Then q*(r/d).
i.e 3*9/17.
51
= 60-51 = 9.
Then q*(r/d).
i.e 3*9/17.
Shekhar said:
6 years ago
How 60/17 is converted into 3 (9/17)?
Please explain.
Please explain.
Subiksha said:
7 years ago
I can't understand this. Anyone explain me clearly?
(1)
Neha said:
9 years ago
In 17/60 60 is LCM of numbers but how 70 comes?
Obama sells credits for banks said:
1 decade ago
Why we take 17/60 as 60/17 in the next step ?
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