T 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 ? August 18, 2021 1 Min Read 0 15 August 18, 2021 1 Min Read 0 15 Answer : D. 9/20… Probability Editor Continue Reading
T Three unbiased coins are tossed. What is the probability of getting at most two heads ? August 18, 2021 1 Min Read 0 31 August 18, 2021 1 Min Read 0 31 Answer : D. 7/8… Probability Editor Continue Reading
I 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 ? August 18, 2021 1 Min Read 0 30 August 18, 2021 1 Min Read 0 30 Answer : A. 1/3 Probability Editor Continue Reading
T Two dice are rolled together. What is the probability of getting two numbers whose product is even ? August 18, 2021 1 Min Read 0 53 August 18, 2021 1 Min Read 0 53 Answer : C. 3/4 Probability Editor Continue Reading
A A letter is chosen at random from the word ‘ASSASSINATION’. What is the probability that it is a consonant ? August 18, 2021 1 Min Read 0 35 August 18, 2021 1 Min Read 0 35 Answer : C. 7/13 Probability Editor Continue Reading
A 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 ? August 18, 2021 1 Min Read 0 41 August 18, 2021 1 Min Read 0 41 Answer : A. 2/91 Probability Editor Continue Reading
W When two dice are tossed, What is the probability that the total score is a prime number ? August 18, 2021 1 Min Read 0 22 August 18, 2021 1 Min Read 0 22 Answer : D. 5/12 Probability Editor Continue Reading
T Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond ? August 18, 2021 1 Min Read 0 74 August 18, 2021 1 Min Read 0 74 Answer : C. 13/102… Probability Editor Continue Reading
A 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 ? August 17, 2021 1 Min Read 0 18 August 17, 2021 1 Min Read 0 18 Answer : C. 64 Permutation and Combination Editor Continue Reading
I In how many different ways the letters of the word ‘MATHEMATICS’ can be arranged so that the vowels always come together ? August 17, 2021 1 Min Read 0 19 August 17, 2021 1 Min Read 0 19 Answer : C. 120960 Permutation and Combination Editor Continue Reading
A 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 ? August 17, 2021 1 Min Read 0 32 August 17, 2021 1 Min Read 0 32 Answer : B. 24 Permutation and Combination Editor Continue Reading
H How many words can be formed from the letters of the word “AFTER”, so that the vowels never come together ? August 17, 2021 1 Min Read 0 23 August 17, 2021 1 Min Read 0 23 Answer : C. 72 Permutation and Combination Editor Continue Reading
E Evaluate permutation equation 59P3 ? August 17, 2021 1 Min Read 0 45 August 17, 2021 1 Min Read 0 45 Answer : C. 195054 Permutation and Combination Editor Continue Reading
H 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 ? August 17, 2021 1 Min Read 0 13 August 17, 2021 1 Min Read 0 13 Answer : D. 20 Permutation and Combination Editor Continue Reading
O Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed ? August 17, 2021 1 Min Read 0 27 August 17, 2021 1 Min Read 0 27 Answer : C. 25200 Permutation and Combination Editor Continue Reading
