Question
Pipe D can fill a pool in 6 hours and pipe E in 12 hours.
If both the pipes are opened in an empty pool, how much time will they take to fill it?Solution
Let the capacity of tank be 12 litres (LCM of 6 and 12)
Efficiency of 'D' = (12/6) = 2 litres/hour
Efficiency of 'E' = (12/12) = 1 litres/hour
Required time = 12 ÷ (2 + 1) = 4 hours
A sum increases by 75% in 10 years at a certain rate of simple interest per annum. By what percentage will the same sum increase in 6 years at the same ...
Where was the 12th edition of the 'Divya Kala Mela' held in 2023-2024?
The 2022 Asian Games took place a year later than planned in the Chinese city Hangzhou. Hangzhou is situated in which part of China?
Which Indian marathon event is considered the largest marathon in Asia?
Who conducted X-ray spectroscopic study of a large number of elements and showed that the frequency of X-rays emitted by an element is related to the a...
Following Rome's withdrawal, which city has been selected to host the 2027 World Athletics Championships?
Who was conferred the Order of the Druk Gyalpo, Bhutan’s highest civilian decoration?
Vibration or wave caused by the sudden movement of tectonic plates within the earth that can travel through and around the earth is called:Â
Which of the following is the CORRECT statement for the Kishor category under the Pradhan Mantri Mudra Yojana?
Which of the following places is known as an anti-seismic zone?
Relevant for Exams:
