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Class - 02 (Basic concept builder practice question - 1)
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Class - 02 (Basic concept builder practice question - 1)

## Bharat Gupta is teaching live on Unacademy Plus

U
superb......
for the first question and should be 54 (nc2-n)
Pg
Prateek gupta
3 months ago
nii 12c2 thek hai...-n thodi krenge
1. COMBINATION Practical Problem part-1 Follow Upvote

2. Combination Each of the different selections made by taking some or all of a number of objects, irrespective of their arrangement is called combination. Notation The number of all combinations of n objects, taken r at a time is generally denoted by nr

3. Basic calculation tip cn 2

4. Problem for this lesson If there are 12 persons in a party, and if each two of them shakes hands with each other. how many handshakes happen in the party. a. 132 b. 30 C. 66 A question paper has two parts, Part A and Part B, each containing 10 questions. If the student has to choose 8 from part A and 5 from part b, in how many ways can he choose the questions. a. 4000 b. 11340 C. 66 d. 5670 In how many ways a committee of 5 members can be selected from 6 men and 5 women, consisting of 3 men and 2 women? a. 100 b. 120 C. 240 d. 200 In how many ways can a cricket eleven be chosen out of 15 players, if (i) there is no restriction; a. 1365 (ii) a particular player is always chosen; a. 132 (iii) a particular player is never chosen? a. 360 b. 455 b. 273 b. 364 c. 1200 d. 1500 d. 1001 d. 455 C. 1365 . 320

5. If there are 12 persons in a party, and if each two of them shakes hands with each other. how many handshakes happen in the party. a. 132 b. 30 c. 66

6. If there are 12 persons in a party, and if each two of them shakes hands with each other. how many handshakes happen in the party. a. 132 b. 30 c. 66

7. A question paper has two parts, Part A and Part B, each containing 10 questions. If the student has to choose 8 from part A and 5 from part b, in how many ways can he choose the questions. a. 4000 b. 11340 .66 d. 5670

8. A question paper has two parts, Part A and Part B, each containing 10 questions. If the student has to choose 8 from part A and 5 from part b, in how many ways can he choose the questions. a. 4000 b. 11340 .66 d. 5670 No. lo 5 Nu mhn

9. A question paper has two parts, Part A and Part B, each containing 10 questions. If the student has to choose 8 from part A and 5 from part b, in how many ways can he choose the questions. a. 4000 b. 11340 c. 66 d. 5670 No. lo 5 Nu mhn s a lo Bind 0 2 Cs

10. A question paper has two parts, Part A and Part B, each containing 10 questions. If the student has to choose 8 from part A and 5 from part b, in how many ways can he choose the questions. a. 4000 b. 11340 .66 d. 5670 lo gw CS 201 13 wo

11. In how many ways a committee of 5 members can be selected from 6 men and 5 women, consisting of 3 men and 2 women? a. 100 b. 120 . 240 d. 200

12. In how many ways can a cricket eleven be chosen out of 15 players, if (i) there is no restriction; a. 1365 b. 455 c. 1200 d. 1500

13. In how many ways can a cricket eleven be chosen out of 15 players, if (ii) a particular player is always chosen; a. 132 b. 273 c. 1365 d. 1001

14. In how many ways can a cricket eleven be chosen out of 15 players, if (ii) a particular player is always chosen; a. 132 b. 273 C. 1365 d. 1001

15. In how many ways can a cricket eleven be chosen out of 15 players, if (iii) a particular player is never chosen? a. 360 b. 364 c. 320 d. 455

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