Question
Pipe ‘A’ takes 60 hours to fill a tank. Pipe
‘B’ takes 120 hours to empty it. If both are opened together, find the time required to fill 50% of the tank.Solution
Let the capacity of the tank be 240 litres.So, efficiency of pipe ‘A’ = 240 ÷ A = 4 litres/hour And efficiency of pipe ‘B’ = 240 ÷ B = 2 litres/hour So, combined efficiency of both pipes = 4 – 2 = 2 litres/hour So, time taken to fill 50% of the tank = (240 × 0.50) ÷ 2 = 120 ÷ 2 = 60 hours
People who never move above the poverty line are referred as________.
Which of the following is true for Disposable Income?
_______was the first Development Financial Institution of India set up to propel economic growth through development of infrastructure and industry in__...
Marginal Rate of Transformation is the slope of______.
Which of the following is NOT the main type of audit that are conducted by Comptroller and Auditor General as per the Regulations on Audit and Accounts...
If two countries trade with each other which is mutually beneficial, then their consumption point after the trade will be
Relevant for Exams:
