CBSE Class 11 Mathematics Chapter 7 Permutations and Combinations Multiple Choice Questions with Answers. MCQ Class 11 Mathematics Permutations and Combinations with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Mathematics Permutations and Combinations MCQs with Answers to know their preparation level.
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MCQ Class 11 Mathematics Permutations and Combinations with Answers - Set - 4
Question 1:
If 12Pr = 11P6 + 6. 11P5 then r is equal to:
(a) 6
(b) 5
(c) 7
(d) none of these
Correct Answer – (A)
Question 2 :
The sum of the digits in the unit place of all the numbers formed with the help of 3, 4, 5, 6 taken all at a time is
(a) 432
(b) 108
(c) 36
(d) 18
Correct Answer – (B)
Question 3 :
The number of ways in which 6 men and 5 women can dine at a round table if no two women are to sit together is given by
(a) 6! × 5!
(b) (6 !)2
(c) (5 !)2
(d) 2 × 6! × 5!
Correct Answer – (A)
Question 4 :
Number greater than 1000 but less than 4000 is formed using the digits 0, 1, 2, 3, 4 (repetition allowed). Their number is
(a) 125
(b) 105
(c) 375
(d) 625
Correct Answer – (C)
Question 5 :
The number of values of r satisfying the equation
39C3r-1 – 39Cr2 = 39Cr2-1 –39C3r is
(a) 1
(b) 2
(c) 3
(d) 4
Correct Answer – (B)
MCQ Class 11 Mathematics Permutations and Combinations with Answers
Question 6 :
If n + 2C8 : n – 2P4 = 57 : 16, then the value of n is:
(a) 20
(b) 19
(c) 18
(d) 17
Correct Answer – (B)
Question 7 :
How many ways are there to arrange the letters in the word GARDEN with vowels in alphabetical order
(a) 480
(b) 240
(c) 360
(d) 120
Correct Answer – (C)
Question 8 :
If nC9 = nC8, what is the value of nC17 ?
(a) 1
(b) 0
(c) 3
(d) 17
Correct Answer – (A)
Question 9 :
A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him is
(a) 346
(b) 140
(c) 196
(d) 280
Correct Answer – (C)
Question 10 :
The number of different permutations, each containing all letters of the word “STATESMAN” is
(a) 45630
(b) 45360
(c) 45603
(d) 45600
Correct Answer – (B)
- NCERT Solutions Class 11 Mathematics Permutations and Combinations with Answers : Exercise 7.1
- NCERT Solutions Class 11 Mathematics Permutations and Combinations with Answers : Exercise 7.2
- NCERT Solutions Class 11 Mathematics Permutations and Combinations with Answers : Exercise 7.3
- NCERT Solutions Class 11 Mathematics Permutations and Combinations with Answers : Exercise 7.4
- NCERT Solutions Class 11 Mathematics Permutations and Combinations with Answers : Exercise 7 Misc
- NCERT Solutions Class 11 Mathematics Textbook download
