- A basket contains x black balls, (x + 3) white balls and (x + 6) yellow balls. If probability of picking a white ball is 1/11 more than that of picking a b...
- A jar contains six 50 paise coins, six Rs. 1 coins, and twelve Rs. 10 coins. One coin is lost. Find the probability that the lost coin is not a 50 paise co...
- The probability that Kunal passes an exam is (5/11) and the probability that Tanya fails is (3/7). If both write the exam, what is the probability that the...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
There are 5 Red caps, 3 Green caps and 2 Blue caps in a box. 4 caps are chosen at random. What is the probability of their being 2 Red and 2 Blue caps?
- βAβ and βBβ are two friends who play a game of tossing a coin. Coin is tossed 3 times. βAβ wins if all the tosses give same result, otherwise οΏ½...
A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, fin...
A box contains βx + 1β green balls, βx + 4β blue balls and βx β 2β yellow balls. If the probability of drawing a yellow ball is 1/30 less ...
There are 30 cars standing in a parking lot which consist of silver, grey and white cars. The number of grey and white cars are equal, and the number of...
A bag contains x orange balls, (x + 5) purple balls and (x + 7) green balls. If probability of getting a purple ball is 1/15 more than that of getting a...
