1
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
How many 4-digit numbers are there having all digits as odd? 
1
625
2
400
3
196
4
120
2
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
In how many ways can the letters of the word INDIA be permutated such that in each combination, vowels should occupy odd positions?
1
3
2
6
3
9
4
12
3
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
The letters of the word EQUATION are arranged in such a way that all vowels as well as consonants are together. How many such arrangements are there?
1
240
2
720
3
1440
4
1620
4
NDA Mathematics 1st September 2024
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
In how many ways can a student choose (n - 2) courses out of n courses if 2 courses are compulsory (n > 4)? 
1
(n - 3) (n - 4)
2
(n - 1) (n - 2)
3
(n - 3) (n - 4)/2
4
(n - 2) (n - 3)/2
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