1
NDA Mathematics 4 September 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
Consider the word 'QUESTION' :

How many 4-letter words each of two vowels and two consonants with or without meaning, can be formed ?

A
36
B
144
C
576
D
864
2
NDA Mathematics 4 September 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
Consider the word 'QUESTION' :

How many 8-letter words with or without meaning, can be formed such that consonants and vowels occupy alternate positions?

A
288
B
576
C
1152
D
2304
3
NDA Mathematics 4 September 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
Consider the word 'QUESTION' :

How many 8-letter words with or without meaning, can be formed so that all consonants are together?

A
5760
B
2880
C
1440
D
720
4
NDA Mathematics 4 September 2022
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
A box contains 2 white balls, 3 black balls, and 4 red balls. What is the number of ways of drawing 3 balls from the box with at least one black ball?
A
84
B
72
C
64
D
48
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