Question
A tank has two inlet pipes A and B and an outlet pipe C.
Pipe A can fill the tank in 6 hours, and Pipe B can fill it in 8 hours. Pipe C can empty the full tank in 4 hours. If all three pipes are opened together, how long will it take to fill the tank completely?Solution
Rate of Pipe A = 1/6 per hour Rate of Pipe B = 1/8 per hour Rate of Pipe C = -1/4 per hour Net rate = (1/6) + (1/8) - (1/4) LCM of 6, 8, and 4 = 24 Net rate = (4/24) + (3/24) - (6/24) = 1/24 Time taken = 1 ÷ (1/24) = 24 hours Correct Option: e
Which one of the following is not a soap?
The highest surcharge rate of 37% on income above 5 crores shall be reduced to ______ % under the new tax regime?
Which Article of the Constitution of India empowers a high court to issue a writ?
In the context of open economy, forex stands for which of the following?
In which year Shinzo Abe became the PM of Japan for the first time?
After India, which country was the second most significant arms importer in the world?
Where is the origin of Western Cyclonic Fever?
In the context of digital governance services, S3WaaS stands for:
In which financial year India signed the Extended Fund Facility Agreement with the IMF?
Which of the following countries is the largest producer of milk?
