Exams

Two pipes A and B can fill an empty cistern in 18 and 27 hours, respectively. Pipe C can drain the entire cistern in 45 hours when no other pipe is in operation. Initially, when the cistern was empty Pipe A and Pipe C were turned on. After a few Pipe A was turned off and Pipe B was turned on instantly. In all, it took 55 hours to fill the cistern. For how many hours was Pipe B turned on?

'P' is the smallest positive integer such that every positive integer N greater than 'P' can be written as a sum of two composite numbers. Then 'P' is

Which is the smallest planet in our solar system?

Under which Article of Indian Constitution an emergency can be declared on the grounds of war, or external aggression or armed rebellion?

Who is the author of the Indian English Novel 'Sita : Warrior of Mithila' published in

The copper wire when bent in the form of a square encloses an area of 121 cub.cm. If the same wire is bent into the form of a circle, find the area of the circle.

Who wrote the National song of India?

The bar graph shows how many visitors participated in which adventure activity during their stay in an adventure resort. Study the diagram and answer the following questions.

If 30% of participants of activity F had chosen to participate in activity G instead then the number of participants of G would have increased(in percent) by?