Question
Pipe βAβ takes 15 minutes to fill a tank. Pipe
βBβ takes 25 minutes to empty the same tank. If pipe βBβ is opened 11 minutes after pipe βAβ, then find the total time taken to fill the tank in this manner.Solution
Let the capacity of the tank be β75β litres {LCM (15, 25)} Efficiency of pipe βAβ = (75/15) = 5 litres/minute Efficiency of pipe βBβ = (75/15) = 3 litres/minute Quantity of water filled by pipe βAβ in 11 minutes = 11 Γ 5 = 55 litres Quantity of water to be filled = 75 β 55 = 20 litres Time taken by pipe βAβ and βBβ together to fill 20 litres of water = {20/(5 β 3)} = 10 minutes Total time taken = 11 + 10 = 21 minutes
The state reeling for an agrarian crisis following famersβ agitation has approved a subsidy on electricity tariff to farmers.
The children enrolled in low fee charging private schools are seen to perform better in mathematics, despite of better –qualified and mor...
- Select the option that corrects the error in the given sentence.
He behaved very rude during the meeting. Below are given some sentences (1), (2), (3), (4) and (5). All the sentences represent the same idea expressed in different ways. You have to choose th...
Directions:Β Select the conclusion(s) that follow(s) based on the correct meaning of the word in bold in the following sentence.
Sentence:οΏ½...
- Select the most appropriate option to substitute the bold segment in the given sentence.
She is more kinder than her sister.
... From the options given below, choose the option that gives the correct combination of incorrect sentences.
I. The charm of Indian classical mus...
In the question below, a statement has three words highlighted in bold, which may or may not be correctly used. You are required to choose from the opt...
We wanted to promote formally trained artistes, upcoming designers as well as student entrepreneurs who are educated but do not get platforms to show hi...
In each of the questions given below a sentence is given with three words in bold. Choose the option which gives the correct sequence of these words to ...
Relevant for Exams:
