Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?

If 3A = 7B = 13C, then A : B : C is equal to

If xy = 56 and x2+ y2= 113, then what will be the value of (x + y)?

Who wrote the book "Ignited Minds"?

Who is the first Indian woman Olympic medal Winner?

How many Rajya Sabha members, the President of India can nominate?

Republic means ultimate power is held by

What is the fundamental unit of amount of a substance?