Question
A pipe fills a tank in 20 hours, and another pipe
empties it in 30 hours. If both pipes are opened together, how long will it take to fill the tank?Solution
The rate of the filling pipe is 1/20. The rate of the emptying pipe is 1/30. Net rate = (1/20 - 1/30) = 1/60. Time taken = 60 hours. Correct Option: d) 60 hours
More Pipes and cisterns Questions
PESSIMIST
1) The first
2) balloon assent
3) was in 1783
4) in Canada
5) No error
Select the most appropriate synonym of the given word.
ACCRUE
Which of the given options is incorrect with respect to the given pair:Â
Oligarchy : MonarchyÂ
Magnanimous
...The management (A) is hopping (B) that employees (C) will inspire (D) each other to cycle to work.
...Person who is friendly, lively and enjoyable
In the following question find the synonym of the given word - Voyage
Choose the option with the correct spelling.Â
Select the most appropriate antonym of the given word.
Cheerful
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