Permutation & Combination Model Questions Set 1 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6

The number of ways in which four letters of the word 'MATHEMATICS' can be arranged is

a) 1680

b) 2454

c) 192

d) 136

e) None of these

Question : 7

In how many different ways can the letters of the word 'ARMOUR' be arranged?

a) 640

b) 300

c) 350

d) 720

e) None of these

Question : 8

The number of ways in which 6 men and 5 women can dine at a round table if no two women are to sit together is given by

a) 30

b) 5 ! × 4 !

c) 7 ! × 5 !

d) 6 ! × 5 !

e) None of these

Question : 9

In how many different ways can the letters of the word "COUNTRY" be arranged in such a way that the vowels always come together?

a) 2880

b) 1440

c) 5040

d) 720

e) None of these

Question : 10

In how many different ways can hte letters of the word 'PRETTY' be arranged?

a) 360

b) 36

c) 720

d) 120

e) None of these