PERMUTATION & COMBINATIONS
Questions:
1.How many words can be formed with the letter word BAT?
(a) 7
(b) 8
(c) 6
(d) 9
2.How many words can be formed with the letter word APPLE?
(a) 70
(b) 80
(c) 60
(d) 50
3.How many words can be formed with the letter word EQUATION?
(a) 45689
(b) 40320
(c) 56780
(d) 23460
4.How many words can be formed with the letter word RECOVER?
(a) 3450
(b) 6543
(c) 1260
(d) 2364
5.How many words can be formed with the letter word REMEMBER?
(a) 6730
(b) 2650
(c) 5680
(d) 1689
6.How many words can be formed with the letter word APPLE so that all
the vowels are together?
(a) 36
(b) 24
(c) 57
(d) 72
7.How many words can be formed with the letter word APPLE so that all
the consonants are together?
(a) 24
(b) 20
(c) 18
(d) 56
8.How many words can be formed with the letter word MATHEMATICS so
that all the vowels are together?
(a) 72500
(b) 45680
(c) 73400
(d) 75600
9.How many words can be formed with the letter word UNIVERSITY so that
all the vowels are together?
(a) 32680
(b) 45680
(c) 60480
(d) 43690
10.How many words can be formed with the letter word UNIVERSITY so
that all the vowels are not together?
(a) 18000
(b) 19000
(c) 20000
(d) 21400
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