Number Classification Reasoning Questions for Competitive Exams
Number Classification Reasoning Questions
Q.1. Which one does not belong to the group?
(A) 326
(B) 248
(C) 392
(D) 414
Ans . C
In all the rest numbers, the third digit is the product of first and second digit.
Q.2. Which one does not belong to the group?
(A) 84
(B) 63
(C) 98
(D) 91
(E) 65
Ans . E
All the others are divisible by 7 whereas 65 is not divisible by 7.
Q.3. Which one does not belong to the group?
(A) 20-10
(B) 15-12
(C) 45-27
(D) 30-18
Ans . A
In all the rest pairs, the difference is divisible by 3.
Q.4. Which one does not belong to the group?
(A) 27
(B) 39
(C) 42
(D) 48
(E) 24
Ans . A
All others are not a cube number but 27 is a cube number.
Q.5. Which one does not belong to the group?
(A) 7324
(B) 9611
(C) 1754
(D) 2690
Ans . A
In all other numbers, the sum of the digits is 17.
Q.6. Which one does not belong to the group?
(A) 96
(B) 72
(C) 28
(D) 48
(E) 82
Ans . E
All other numbers are multiples of 4 except 82.
Q.7. Which one does not belong to the group?
(A) 16-24
(B) 19-27
(C) 13-21
(D) 15-23
Ans . A
In all the rest groups there is no common factor of the two numbers.
Q.8. Which one does not belong to the group?
(A) 123
(B) 119
(C) 133
(D) 143
(E) 149
Ans . B
All other numbers are prime numbers except 119
Q.9. Which one does not belong to the group?
(A) 64 – 8
(B) 80 – 9
(C) 7 – 49
(D) 36 – 6
Ans . B
In all other pairs, one number is the square of the other
Q.10. Which one does not belong to the group?
(A) 9
(B) 25
(C) 16
(D) 8
(E) 4
Ans . D
All other numbers are the square of other numbers 8.
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Vikram Singh
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