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
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
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
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
