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Class - 13 (Mixed problem on permutation and combination - 6)
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Class - 13 (Mixed problem on permutation and combination - 6)

## Bharat Gupta is teaching live on Unacademy Plus

U
thanks a lot
3 person as 1, so remaining is 7 , as total 10 people r there
solution for ans 2 is wrong
1. COMBINATION Permutation and combination mixed Problem part-5 Follow Upvote

2. Problem for this lesson The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is? a. 105 b. 307 . 420 d. 205 Ten person, amongst whom A, B and C are to speak at a function. the number of ways in which it can be done if A wants to speak before B and B wants to speak before C is: a. 9! 10! b. . 9C d. None of these 6 Priyanka has 11 different toys and Supriya has 8 different toys. find the number of ways in which they can exchange their toys so that each keeps her initial number of toys. a. 19C11 b. 18C10 d. 19C11-1 C.

3. The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is? a. 105 b. 307 . 420 d. 205

4. The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is? a. 105 b. 307 c. 420 d. 205

5. The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is? a. 105 b. 307 . 420 d. 205 Nor

6. The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is? a. 105 b. 307 . 420 d. 205 Nor Bous

7. The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is? a. 105 b. 307 . 420 d. 205 Nor Bous

8. The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. The total number of triangles that can be constructed by using these points as vertices is? a. 105 b. 307 . 420 d. 205 We. 12

9. Ten person, amongst whom A, B and C are to speak at a function. the number of ways in which it can be done if A wants to speak before B and B wants to speak before C is: 9! 6 10! 6 . 9C6 b. d. None of these

10. Ten person, amongst whom A, B and C are to speak at a function. the number of ways in which it can be done if A wants to speak before B and B wants to speak before C is: 9! 10! b. c. 9C d. None of these 6 6 hono cr .ke deu, le.3 voou

11. Priyanka has 11 different toys and Supriya has 8 different toys. find the number of ways in which they can exchange their toys so that each keeps her initial number of toys. a. 19C11 b. 18C10 c. 20Cud.19C1-1

12. Priyanka has 11 different toys and Supriya has 8 different toys. find the number of ways in which they can exchange their toys so that each keeps her initial number of toys. a. 19C11 b. 18C10 c. 20Cud.19C1-1 anla wiL

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