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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...
If n(A) = 25, n(B) = 40 and n(A ∪ B) = 50, then n(A ∩ B) equals
Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond?
In a lottery, there are 4 prizes and 20 blanks. A lottery is drawn at random. What is the probability of getting a prize?
There are (m + 4) red roses, (m + 11) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 5/16, then find the valu...
If the letter of the word Apples is arranged at random, what is the probability that all the vowels comes together?
In a lottery there are 5 prizes and 50 blanks. A lottery is drawn at random. What is the probability of getting the prize?
...Tickets numbered 1 to 50 are mixed up and then a ticket drawn at random. What is the probability that the ticket drawn bears a number which is multipl...
A bag contains 5 black balls,“a” white balls and “b” purple balls. If one ball taken out from the bag, then probability of being it white is 2/7...
What will be the probability of choosing one red and one green ball from a basket containing 4 red and 5 green balls if two balls are drawn randomly?
