Aptitude - Pipes and Cistern - Discussion
Discussion Forum : Pipes and Cistern - General Questions (Q.No. 11)
11.
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:
Answer: Option
Explanation:
Let the slower pipe alone fill the tank in x minutes.
| Then, faster pipe will fill it in | x | minutes. |
| 3 |
 |
1 | + | 3 | = | 1 |
| x | x | 36 |
 |
4 | = | 1 |
| x | 36 |
x = 144 min.
Discussion:
67 comments Page 5 of 7.
Shanti lal dhaker said:
1 decade ago
We may also solve in this manner i.e.
x + x/3 =36
=>
4x/3 = 36
or =>
x=27
x + x/3 =36
=>
4x/3 = 36
or =>
x=27
Mahe said:
1 decade ago
Slower pipe x,faster 3x....
1/x+1/3x=1/36
=>x=48
then 1/36-1/48
we got 1/144
1/x+1/3x=1/36
=>x=48
then 1/36-1/48
we got 1/144
Vik said:
1 decade ago
Work done by A in 1 min + Work done by B in 1 min = Work done by both in 1 min.
Akhil galla said:
7 years ago
Why can't we take 3x for faster one instead of x/3 for faster one?
(1)
Sonu choudhary said:
1 decade ago
I am still not understand why we take 1/x+3/x=1/36. Please reply.
Lommin said:
4 years ago
What does 1/x or 1/ A or 1/B mean here? Please explain me.
(1)
Pranav Kumar said:
10 years ago
I didn't understand the problem could you explain once.
PRATYUSH MISHRA said:
1 decade ago
Any one tell me simplest way to solve this question?
Senthil said:
1 decade ago
Why can't we take x+3x=36 and how 1/x+3/x is taken?
Akshatha N said:
8 years ago
Why cannot we take faster pipe=3x, instead of x/3?
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