- Comparison of Permutations and Combinations
- Permutations of letters in a word
- Forming committee problems
- Arrangements of digits
- Difficult problems
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Thank you and God bless!
Thank you and God bless!
ASNWERS:
ReplyDelete1)(i) 1008
(ii) 392
2)(i) 829 440
(ii) 2 438 553 600
(iii) 560
3)(i) 1 663 200
(ii) 30 240
(iii) 1 622 880
(iv) 10
4)(i) 1 680
(ii) 120
(iii) 120
(iv) 12
5)(i) 1680
(ii) 360
6)(i) 19 958 400
(ii) 16 632 000
7)(i) 1 800
(ii) 120
8)(i) 360
(ii) 12
(iii) 360
(iv) 720
(v) 1170
9) (i) 831 600
(ii) 900
(iii) 126
10)(i) 4.36 x 10^10
(ii) 17 280
(iii) 150/2184 or 0.0687