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

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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

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E

Evaluate permutation equation 59P3 ?

August 17, 2021

1 Min Read

0 45

August 17, 2021

1 Min Read

0 45

Answer : C. 195054

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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

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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

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