Interested to Buy Any Domain ? << Click Here >> for more details...
Two pipes can fill a tank in 10 and 12 hours respectively
while third pipe will make the tank empty in 20 hours. If
all three pipes operate simultaneously, in how many hours
the tank will be filled ?
- 6 Answers
- 31293 Views
- Lucent, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / anjali singla
In one hour :
Tank Filled by A = 1/10
Tank Filled by B = 1/12
Tank Empty be C = 1/20
If three pipes are combined then tank filled in one hour =
1/10 + 1/12 - 1/20
= 2/15
2/15 of tanked filled in one hour.
So time taken to fill tank = 15/2 * 1
= 7.5 hours
| Is This Answer Correct ? | 98 Yes | 16 No |
Answer / lovedp
1/10 + 1/12 -1/20 = 15/2 i.e 7.5 h means 7 h & 30 min
| Is This Answer Correct ? | 33 Yes | 5 No |
Answer / dhruv solanki
A=1/10
B=1/12
C=-1/20
Work in one hour= 1/10 + 1/12 - 1/20
= 2/15
Total Work = 15/2 hours or 7.5 hours or 7 hours 30 mins
| Is This Answer Correct ? | 1 Yes | 4 No |
A>B,B>C,C=D,D>E,then which is greatest a)A/B b) A/C c) A/E d)none
There is a field inside that there is a rectangular grass field with dimension 12X8 meter. One horse is tied at one corner of the grass field with a rope of 10 Mtrs. Horse is not allowed to enter the grass field .How much area it will graze?
B is 20 miles east of A. D is 30 miles east of C. E is 10 miles north of D. C is 20 miles north of B. How far E is from A?
I want the sbi clerical exam model papers
This question is based on ages easy
PA and PB are tangents to the circle at A and B respectively and the chord BC is parallel to tangent PA. If AC = 6 cm, and length of the tangent AP is 9 cm, then what is the length of the chord BC?
Q) If a triangle has a base B and the altitude of the triangle is twice the base, then the area of the triangle is a) .5AB b) AB c) .5AB2 d) B2 e) 2B2
Total distance is 120 km . Going by 60kmph and coming back by 40kmph what is the average speed?
10. A sum of money amounts to Rs.8968/- in 3 years and Rs.9424/- in 4 years at 6% simple interest. What is the sum?
4 Answers Punjab National Bank, Subex,
A report has 20 sheets each of 55 lines and each line consists of 65 characters. If this report is to be retyped with each sheet having 65 lines and each line of 75 characters wht will be the reduction percent in the pages ? (a) 22.5 % (b) 35 (c) 25 (d)none
Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain distance the front wheel gets 10 revolutions more than back wheel . what is the distance?
epaulet : shoulder : : ring :?
English 
