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
- 28859 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 |
one answer is 200/3 % it is perfectly correct wecannot recollec the prob. so place it blindly.
On Monday a manufacturer processed a batch of bats, on Tuesday he processed three times as many, and on Wednesday he processed 4000 bats. In the three days, He processed 16000 bats. How many did he process on Tuesday?
A man sells apples. First he gives half of the total apples what he has and a half apple. Then he gives half of the remaining and a half apple. He gives it in the same manner. After 7 times all are over. How many apples did he initially have?
Two trains leaving from two station 50 miles away from each other with constant speed of 60 miles per hour, approaches towards each other on different tracks. if length of each train is 1/6 mile. when they meet How much time they need to pass each other totally ?
Convert the following infix expression to post fix notation ((a+2)*(b+4)) -1 (Similar types can be asked)
what is diff b//w the singly reinforced beam,doubly reinforced beam?
Find perimeter of a trapezium with 3 sides given and distance between parallel sides given.
How many cars are there in the USA?
16 Answers BRS, Microsoft, Sedgwick,
im swetha... is the chances 4 science graduates are less when compared with arts & commerce graduates 4 a bank job? why im asking bcoz, i attended for four banks interview like sbi[2], bank of baroda, karur vysya bank after selected in the written test. i attended interview very well. but not.. why this?
PLEASE SEND ME PREVIOUS QUESTION PAPERS OF SBI AND ANDHRA BANKPO'S AND CLERK AT MY EMAIL ID.
What are all the java technical questions?
In an exam, a girl scores 85% in one subject and 88 % in another subject. What percentage does she score in the third subject to get an average of 88% marks?
English 
