Question
Pipe 'R' and 'S' can fill a tank in 40 minutes and 1
hour respectively. 'R' is opened alone. After 16 minutes, 'R' is closed and 'S' is opened. Find the time taken by 'S' to fill the remaining tank.Solution
Let the total capacity of tank be 120 litres (LCM of 40 and 60) Efficiency of 'R' = (120/40) = 3 litres/minute Efficiency of 'S' = (120/60) = 2 litres/minute Tank filled by 'R' = 3 × 16 = 48 litres Remaining part of the tank = 120 − 48 = 72 litres Required time = (72/2) = 36 minutes
Pandavula Gutta, which has been recently highlighted in the news, holds the distinction of being the sole officially recognized Geo-heritage site in whi...
Which Indian bank became the first to open an all-digital branch, where no human beings are employed for regular operations?
Which one of the following tribes has the highest population in Uttar Pradesh?
Reserve Bank of India has granted a one year extension to the co-branding partnership between Bajaj Finance and which bank ?
World Diabetes Day is observed annually on which of the following days?
Which bank has recently partnered with IRCTC to launch a co-branded travel credit card?
The founder of ________ Areez Pirojshaw Khambatta has passed away recently at the age of 85 years who was suffering from prolonged illness.
Where was the only nuclear power station Uttar Pradesh was established?
Which is the largest desert in the world?
Absolute alcohol is prepared from rectified spirit by using the following process:
