A Best Way To Crack Gorenment Job Exams

Quantitative Aptitude Objective Questions { Operation on Numbers }



57. Which one of the following is a prime number ?
A.161
B.221
C.373
D.437

58. Which one of the following is a prime number ?
A.119
B.187
C.247
D.None of these

59. The smallest 3-digit prime numbers is :
A.103
B.107
C.109
D.None of these

60. If a and b are odd numbers, then which of the following is even ?
A.a + b
B.a + b + 1
C.ab
D.ab + 2

61. Which one of the following cannot be the square of a natural number ?
A.30976
B.75625
C.28561
D.143642

62. Which one of the following cannot be the square of a natural number ?
A.32761
B.81225
C.42437
D.20164

63. What smallest number should be added to 4456 so that the sum is completely divisible by 6 ?
A.4
B.3
C.2
D.1

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