Question
A cistern has two pipes one can fill it with water in 16
hours and other can empty it in 10 hours. In how many hours will the cistern be emptied if both the pipes are opened together when 3/5th of the cistern is already filled with water?Solution
If both pipes are open, then total units per hour empty the tank (A-B) = 5-8 = -3 units According to question, Tank has 3/5 of its total capacity in the beginning 3/5 × 80= 48 units Time taken to empty the tank = 48/(-3) = 16 hours.
On which date is Pravasi Bharatiya Divas observed annually?
Who won the inaugural Waldner Cup 2024 Table Tennis tournament?
According to the Census of India 2011, which of the following groups of union territories has the highest literacy rate?
Which of the following is the correct formula for calculating gross primary deficit?
What is the name of the train initiated by IRCTC to boost tourism after the historic inauguration of the Ram Mandir in Ayodhya?
Which state was declared India’s first fully literate state in 2025?
- What is the SI unit of electromotive force (EMF)?
The Indian Councils Act of 1909 is popularly known as what?
What would be the pH value of a solution that turns blue litmus paper red?
Recently the Election Commission has launched ___ for the convenience of disabled persons.
Relevant for Exams:
