Question
Tap P can fill a water tank in 15 minutes, Tap Q can
fill it in 20 minutes, and Tap R can empty half of the tank in 15 minutes. Now, if all the taps, P, Q, and R, are opened simultaneously, with the unique ability that Tap R starts to empty the tank after the first minute, how long will it take to completely fill the water tankSolution
ATQ,
Taps P and Q fill the tank in the first minute:
After 1 minute, Taps P, Q, and R work together:
Remaining work = 1 - 7/60 = 53/60
Time to complete remaining work =(53/60)/(1/12) = 10.6 minutes Total time = 1minute + 10.6minutes = 11 minutes 36 seconds.
Who is known as Nightingale of India?
_________ is called the father of the modern Indian Renaissance due to the remarkable changes he instituted in 18th and 19th century India.
The human eyes form the image of an object at its:
- What is the boiling point of water at sea level?
Who formed the association in favour of widow remarriage in Madras Presidency?
- Which layer of the Earth's atmosphere contains the ozone layer?
Any ineligible Member of Parliament is terminated by?
Which Indian city is known as the "Manchester of India"?
Raghav Chadha is a Rajya Sabha member from which of the following Political Parties?
- Which schedule of the Indian Constitution contains provisions for the administration of tribal areas in the northeastern states?