The Tehri Dam is built on the Bhagirathi River, which is one of the main tributaries of the Ganga River.
Two schools, A and B participate in a Quiz competition. The probability of A’s winning is 3/7 and the probability of B’s winning is 3/5. Wha...
There are (m + 6) red roses, (m + 12) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 4/15, then find the valu...
Two hats are picked at random, what is the probability that all hats are of green colour?
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
Tokens numbered 1 to 350 are in a bag. What is the probability that the Token drawn has a number which is a multiple of 6 or 7?
Coupons numbered 1 to 10 are shuffled and one is drawn what is the probability that it bears an odd number which is also a multiple of 3?
A bag contains 18 black and 20 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...Find the probability that a number selected at random from first hundred number is a multiple of 3 or 5?
The probability of selecting a rotten apple randomly from a heap of 100 apples is 0.20. What is the number of rotten apples in the heap?
...Out of 8 white marbles, 5 blue marbles, in how many ways we select one or more marbles?
