IBM Company Numerical Ability Permutation and Combination

From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?

A. 624

B. 702

C. 756

D. 812

Read Solution (Total 26)

IBM Other Question

In how many different ways can the letters of the word OPTICAL be arranged so that the vowels always come together?

A. 610

B. 720

C. 825

D. 920
1. 1,3,4,5,13,2,3,4,22,1,2,3
2. 2,7,-35,7,12,-60,5,10
3. 5,10,9,3,6,5,4,8,7,7
4. 7,4,6,3,4.5
5. 2,6,5,14,11,26,17
6. 3,4,12,76,588
7. -3,6,1,-2,4,-1,-1,2,-3
8. 4,11,66,74,370
9. 1/2,1/2,1/4,1/6,1/8,1/18
10. 12,22,35,68,15,28,31
11. 9/8,4/3,2 1/8,3 1/3,7/3,42/8,3 1/3,7 1/4,13/3,7/2,5 1/3
12. 2,6,13,28
13. 5,5,7,7,9,11,11,13,13,17,15,19,17
14. 1,1,3,2,1,5,3,4,10,4,2
15. 92,48,16,10,6.5
16. 2,1,2,3,2,9,9,0,1,1,9
17. 37,73,9,49,58,85,25,64,29,92