1
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
If C(3n, 2n) = C(3n, 2n - 7), then what is the value of C(n, n - 5)?
A
42
B
35
C
28
D
21
2
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
How many odd numbers between 300 and 400 are there in which none of the digits is repeated ?
A
32
B
36
C
40
D
45
3
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
How many permutations are there of the letters of the word 'TIGER' in which the vowels should not occupy the even positions ?
A
72
B
36
C
18
D
12
4
NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the maximum value of n such that 5n divides (30! + 35!), where n is a natural number?
A
4
B
6
C
7
D
8
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