## Bharat Gupta is teaching live on Unacademy Plus

COMBINATION Practical Problem part-1 Follow Upvote

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

Basic calculation tip cn 2

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

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

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 .66 d. 5670

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

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

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

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

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

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

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

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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