Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ? By Editor No Comment Answer : D. 9/20...
From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings ? By Editor No Comment Answer : D. 1/221...
Three unbiased coins are tossed. What is the probability of getting at most two heads ? By Editor No Comment Answer : D. 7/8...
In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green ? By Editor No Comment Answer : A. 1/3
Two dice are rolled together. What is the probability of getting two numbers whose product is even ? By Editor No Comment Answer : C. 3/4
A letter is chosen at random from the word ‘ASSASSINATION’. What is the probability that it is a consonant ? By Editor No Comment Answer : C. 7/13
A bag contains 4 black, 5 yellow and 6 green balls. Three balls are drawn at random from the bag. What is the probability that all of them are yellow ? By Editor No Comment Answer : A. 2/91
When two dice are tossed, What is the probability that the total score is a prime number ? By Editor No Comment Answer : D. 5/12
Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond ? By Editor No Comment Answer : C. 13/102...
A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw ? By Editor No Comment Answer : C. 64
In how many different ways the letters of the word ‘MATHEMATICS’ can be arranged so that the vowels always come together ? By Editor No Comment Answer : C. 120960
A box contains 4 red, 3 white and 2 blue balls. Three balls are drawn at random. Find out the number of ways of selecting the balls of different colours ? By Editor No Comment Answer : B. 24
How many words can be formed from the letters of the word “AFTER”, so that the vowels never come together ? By Editor No Comment Answer : C. 72
How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated ? By Editor No Comment Answer : D. 20
Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed ? By Editor No Comment Answer : C. 25200
