Interested to Buy Any Domain ? << Click Here >> for more details...
a pipe fill a tank in 3hrs.another pipe fill that same tank
in 2hrs.if both pipe inserted in tank to fill it how timw it
will take to fill?
- 14 Answers
- 25459 Views
- Infosys, Zycus Infotech, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / marktopher
This seems too easy, maybe I'm missing something?
But if the smaller pipe fills the tank in 2 hours, adding a
2nd larger pipe will only reduce that time, so right off
the start, we know that the answer is less than 2 hours
(120 min).
The answer I got is 1.2 hours (aka 1hr 12min, aka 72 min)
| Is This Answer Correct ? | 119 Yes | 3 No |
Answer / elumalai
1/180+1/120 => 120 + 180 /120*180 => 300/21600 => 3/216 => 1/72
it will take 72 mins
| Is This Answer Correct ? | 31 Yes | 3 No |
Answer / gaurav singh
time taken by both pipes is 1/2 + 1/3 =5/6
then we have to divide by one 1/(5/6)=6/5 = 1.20 hrs
guys this is rite answer because i have solved it from my
father who is maths teacher.
| Is This Answer Correct ? | 12 Yes | 1 No |
Answer / mahendra
both pipes fill tank in
(1/3)+(1/2)= 5/6 hrs
It is in per/hrs
6/5 = 1.2 hrs
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / vivek yadav
part filled by first pipe in 1 hour=1/3
part filled by second pipe in 1 hour=1/2.
part filled by both pipe=(1/3 + 1/2) =5/6
hence both the tank wil fill the tank in 6/5 hours i.e in
1.2 hours or 72 min
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / suresh
let the time be t
let the completed job=1
pipe1 be the pipe fills in 3hours and pipe2 be the pipe tat
fills in 2hours.
pipe1+pipe2=full tank
(t/3)+(t/2)=1
multiply by 60 to clear the denominators
60*(t/3)+60*(t/2)=60(1)
20t+30t=60
50t=60
t=60/50=1.2hours
the time taken to fill is 1.2hours
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / chirag shettigar
answer is simple & logical :
3hr-2hr= 1hr that means the difference between them is 1 hr
that means the tank will get full 1hr earlier than the tank
to fill in 2 hr pipe
so the tank will get full in 1 hr if both pipes are used
| Is This Answer Correct ? | 2 Yes | 8 No |
If a monkey climbs 3 mts and then slips back 2 mts in alternate hour , how much time he will take to climbs 20 mts?
4_4_4_4 = 20, what sign should be in _ (dash)fileds((+,-,/,*))
Yesterday in a party, I asked Mr. Shah his birthday. With a mischievous glint in his eyes he replied. "The day before yesterday I was 83 years old and next year I will be 86." Can you figure out what is the Date of Birth of Mr. Shah? Assume that the current year is 2000.
SkyFi city is served by 6 subway lines - A, E, I, O, U and Z. ? When it snows, morning service on line E is delayed. ? When it rains or snows, service on the lines A, U and Z is delayed both morning and afternoon. ? When the temperature drops below 20 C, afternoon service is cancelled on either line A or line O, but not both. ? When the temperature rises above 40 C, afternoon service is cancelled on either line I or line Z, but not both. ? When service on line A is delayed or cancelled, service on line I is also delayed. ? When service on line Z is delayed or cancelled, service on line E is also delayed. On February 10, it snows all day with the temperature at 18C. On how many lines service will be delayed or cancelled, including both morning and afternoon?
there is a desert. a professor has to cross it n it takes 6days for him to cross. there are enough food reserves and students who can help d professor cross d desert. each person including professor can carry only 4 food packets with him while crossing the desert. in d desert also, each person can hav at the most 4 packets with him and they need to eat one packet per person per day during their travel. how wil d professor reach the other side of desert??
In a certain year, the number of girls who graduated from City High School was twice the number of boys. If 3/4 of the girls and 5/6 of the boys went to college immediately after graduation, what fraction of the graduates that year went to college immediately after graduation?
Difference between Bholu's and Molu's age is 2 years and the difference between Molu's and Kolu's age is 5 years. What is the maximum possible value of the sum of the difference in their ages, taken two at a time?
Assume for a moment that the earth is a perfectly uniform sphere of radius 6400 km. Suppose a thread equal to the length of the circumference of the earth was placed along the equator, and drawn to a tight fit. Now suppose that the length of the thread is increased by 12 cm, and that it is pulled away uniformly in all directions. By how many cm. will the thread be separated from the earth's surface?
3. During a recent school reunion, four men were discussing their starting salaries back in 1962. the salaries in questring were 8, 10,12 and 14 thousand pounds per year. of course the MP earned the most. Alan earned more than Brian and the doctor earned more thanb Derek, the vet. carles could not remember what he started on. Brian, the lawyer, did not start on 10,000 pounds nor did Derek. can you determine who has which job and their starting salaries?
Find the smallest number such that if its rightmost digit is placed at its left end, the new number so formed is precisely 50% larger than the original number.
I'm something, i appear twice in a week but none in a day.I appear once in a year but none in a month. what am i?
Which figure should be placed in the empty triangle? 6 7 7 6 8 6 6 ? 2 2 5 3 4 2 5 3
English 
