## Multinomial Theorem, Number of Divisors and Miscellaneous MCQ Basic Level

Compared to other sections, mathematics is considered to be the most scoring section. If prepared thoroughly, mathematics can help students to secure a meritorious position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1. If nPr = 720.nCr then r is equal to

•  6
•  5
•  4
•  7

6

Q2. If nP4 = 24.nC5 then the value of n is

•  10
•  15
•  9
•  5

9

Q3. If nP3+nCn-2, then n =

•  5
•  6
•  8
•  10

5

Q4. If nP4 = 30nC5, then n =

•  6
•  7
•  8
•  9

8

Q5. If nPr = 840, nCr=35 then n is equal to

•  1
•  3
•  5
•  7

7

Q6. If nCr = nCr-1 and nPr = nPr+1, then the value of n is

•  3
•  4
•  2
•  5

3

Q7. nPr/nCr=

•  n!
•  (n-r)!
•  1/r!
•  r!

r!

Q8. If a, b, c, d, e are prime integers, then the number of divisors of ab2c2de excluding 1 as a factor, is

•  94
•  72
•  36
•  71

71

Q9. The number of proper divisors of 1800 which are also divisible by 10,

•  18
•  34
•  27
•  None of these

18

Q10. The number of even proper divisors of 1008 is

•  23
•  24
•  22
•  None of these

23

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Multinomial Theorem, Number of Divisors and Miscellaneous MCQ Basic Level