Aptitude - Pipes and Cistern - Discussion
Discussion Forum : Pipes and Cistern - General Questions (Q.No. 3)
3.
A pump can fill a tank with water in 2 hours. Because of a leak, it took 2
hours to fill the tank. The leak can drain all the water of the tank in:
hours to fill the tank. The leak can drain all the water of the tank in:Answer: Option
Explanation:
| Work done by the leak in 1 hour = |  |
1 | - | 3 |  |
= | 1 | . |
| 2 | 7 | 14 |
Leak will empty the tank in 14 hrs.
Discussion:
90 comments Page 6 of 9.
Anjum said:
5 years ago
X pipe can fill in tank.
Y tank filled with leak.
Time taken by leak to empty tank is (xy/y-x).
2*(7/3)/(7/3-2)=14.
Y tank filled with leak.
Time taken by leak to empty tank is (xy/y-x).
2*(7/3)/(7/3-2)=14.
Jamsheed said:
7 years ago
Please tell me if a small pump drained a tank in x hours. In 3 hours how much it will drained?
Anyone solve this.
Anyone solve this.
Allhad said:
1 decade ago
To all who don't understand how 7/3.
Actually time given is 2hrs and 20min i.e. 2hrs+20min (1/3 hrs).
Actually time given is 2hrs and 20min i.e. 2hrs+20min (1/3 hrs).
Karthik said:
5 years ago
There is a simple formula.
a(1+(a/x)).
a= 2 hours.
x= 2 1/3- 2= 1/3.
Solution:
2(1+(2/ (1/3) )= 14.
a(1+(a/x)).
a= 2 hours.
x= 2 1/3- 2= 1/3.
Solution:
2(1+(2/ (1/3) )= 14.
Bunty said:
1 decade ago
For those who didn't got that how 7/3 come from?
Here it is 2*1/3 hours means (2*3+1)/3 = 7/3.
Here it is 2*1/3 hours means (2*3+1)/3 = 7/3.
Champion said:
8 years ago
How can we say that 1/14 part of tank fills in 1 hour and it takes 14 hrs to drain all water?
Radhika krishna said:
1 decade ago
Their total tank divided in to 7 parts i.e 20 min to fill 1/3min to fill 1 part
Gakir said:
1 year ago
A × B/ A - B.
2 × 7/3 ÷ 2 - 7/3,
14/3 ÷ 1/3.
14/3 × 13/1.
42/3 = 14ans.
2 × 7/3 ÷ 2 - 7/3,
14/3 ÷ 1/3.
14/3 × 13/1.
42/3 = 14ans.
(3)
Appu said:
4 years ago
Shortcut;
x = 2.
y = 7/3 =====>(2 * 3) + 1.
x*y/y-x =====>14.
x = 2.
y = 7/3 =====>(2 * 3) + 1.
x*y/y-x =====>14.
(4)
Ashu said:
1 decade ago
PGCR great logic. What type of logic you used here?
Please explain.
Please explain.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers