There is a leak in the bottom of a cistern. When the cistern
is thoroughly repaired, it would be filled in 3 ? hours. It
now takes half an hour longer. If the cistern is full, how
long will the leak take to empty the cistern?
(a) 24 hours
(b) 28 hours
(c) 21 hours
(d) 27 hours
(e) None of these
Answer Posted / sagarkumar doltade
LCM of repaired tank and leak tank time=3*3.5=10.5 difference between efficiency is 1/2 then 10.5/1/2=21
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
A farmer has a farm square of 100 sq.m a cow is tied at one and with a rope of 10m length.assume pi-3.what is the area of land the cow can graze.
Fifty minutes ago if it was four times as many minutes past three o'clock, how many minutes is it to six o'clock?
One clock rings 7 O'clock in 7 sec.In how many seconds it will ring 10 O'clock.
Which is the biggest perfect square amongst the following 15129, 12348, 23716, 20736
Zulus always speak truth and Hutus always speak lies. There are three persons A,B&C. A met B and says " I am a Zulu or I am Hutu". We don't know what exactly he said. then B meets C and says to c that " A is a Zulu ". Then C replied " No, A is a Hutu ". Who must be a Zulu ?
Find the result of the following _expression if, M denotes modulus operation, R denotes round-off, T denotes truncation: M(373,5)+R(3.4)+T(7.7)+R(5.8)
If we r terminated at the middle of the program execution in UNIX,wat will happen to the program,it will continue running r terminate r the o/p will be send to ur mail?
(7*7=49)(4*9=36)(3*6=18) (1*8=8)
sir iam asking you assistant stastical officer previous question paper
Two distinct no's are taken from 1,2,3,4......28. Find the probability that their sum is less than 13
An equilateral triangle of sides 3 inch each is given. How many equilateral triangles of side 1 inch can be formed from it?
If "PROMPT" is coded as QSPLOS ,then "PLAYER" should be?
hoe 1000000000 can be written as a product of two factors neither of them containing zeros
A mall installed 36 cctvs at the beginning of the year. In March they installed 9 additional cctvs and then disconnected 18 in August. How many were still installed at the end of the year.
a cylinder ingot 6cms in diameter and 6 cms in height is and spheres all of the samesize are made from the material obtained.what is the diameter of each sphere?