T There are 25 students in a class. Find the number of ways in which a committee of 3 students is to be formed ? August 17, 2021 1 Min Read 0 21 August 17, 2021 1 Min Read 0 21 Answer : D . 3200 Permutation and Combination Editor Continue Reading
I If 56Pr+ 6 : 54Pr + 3 = 30800 : 1 then the value of r is ? August 17, 2021 1 Min Read 0 9 August 17, 2021 1 Min Read 0 9 Answer : B. 41 Permutation and Combination Editor Continue Reading
H How many can straight lines be drawn from 15 non-collinear points ? August 17, 2021 1 Min Read 0 33 August 17, 2021 1 Min Read 0 33 Answer : A. 105 Permutation and Combination Editor Continue Reading
I In a meeting between two countries, each country has 12 delegates. All the delegates of one country shake hands with all delegates of the other country. Find the number of handshakes possible ? August 17, 2021 1 Min Read 0 74 August 17, 2021 1 Min Read 0 74 Answer : B . 144 Permutation and Combination Editor Continue Reading
I In how many ways, the letters of the word ‘BANKING’ can be arranged ? August 17, 2021 1 Min Read 0 40 August 17, 2021 1 Min Read 0 40 Answer : D. 2520 Permutation and Combination Editor Continue Reading
I In how many different ways, can the letters of the word ‘INHALE’ be arranged ? August 17, 2021 1 Min Read 0 47 August 17, 2021 1 Min Read 0 47 Answer : A. 720 Permutation and Combination Editor Continue Reading
F Find the value of 5P2 ? August 17, 2021 1 Min Read 0 296 August 17, 2021 1 Min Read 0 296 Answer : C . 20 Permutation and Combination Editor Continue Reading
8 8 men entered a lounge simultaneously. If each person shakes hand with the other, then find the total no. of handshakes ? August 17, 2021 1 Min Read 0 290 August 17, 2021 1 Min Read 0 290 Answer : C. 28 Permutation and Combination Editor Continue Reading
H How many groups of 6 persons can be formed from 8 men and 7 women ? August 17, 2021 1 Min Read 0 78 August 17, 2021 1 Min Read 0 78 Answer : B . 5005 Permutation and Combination 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
I In how many ways, a group of 3 boys and 2 girls can be formed out of a total of 4 boys and 4 girls ? August 17, 2021 1 Min Read 0 33 August 17, 2021 1 Min Read 0 33 Answer : D. 24 Permutation and Combination Editor Continue Reading
H How many ways the letters of the word ‘ARMOUR’ can be arranged ? August 17, 2021 1 Min Read 0 101 August 17, 2021 1 Min Read 0 101 Answer : D. 360 Permutation and Combination Editor Continue Reading
I In how many possible ways can you write 1800 as a product of 3 positive integers a, b, c ? August 17, 2021 1 Min Read 0 296 August 17, 2021 1 Min Read 0 296 Answer : B. 360 Permutation and Combination Editor Continue Reading
