Number Classification Reasoning Questions for Competitive Exams
Number Classification Reasoning Questions
Q.11. Which one does not belong to the group?
(A) 39
(B) 21
(C) 83
(D) 51
Ans . C
83 is the only prime number in the group.
Q.12. Which one does not belong to the group?
(A) 19
(B) 17
(C) 29
(D) 23
(E) 27
Ans . E
All other numbers are prime numbers except 27.
Q.13. Which one does not belong to the group?
(A) 34, 4, 8
(B) 22, 4, 5
(C) 54, 4, 13
(D) 37, 4, 9
Ans . D
In all other groups, the rest number is obtained by adding 2 to the product of the second and the third numbers.
Q.14. Which one does not belong to the group?
(A) 5
(B) 3
(C) 13
(D) 11
(E) 9.
Ans . E
All other numbers are prime numbers except 9 while 9 is a composite number.
Q.15. Which one does not belong to the group?
(A) 161
(B) 115
(C) 391
(D) 253
(E) 345
Ans . E
All others are not divisible by 3 whereas 345 is divisible by 3.
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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