Series Problem Logical Reasoning – Page 4

Series 4

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Question 1
How many prime numbers are less than 50 ?
A
16
B
15
C
14
D
18
Question 2
Which of the following is a prime number?
A
33
B
81
C
93
D
97
Question 3
Which one of the following in not a prime number?
A
31
B
61
C
71
D
91
Question 4
Which one of the following is a prime number?
A
161
B
221
C
373
D
437
E
none of these
Question 5
Which one of the following is a prime number ?
A
119
B
187
C
247
D
551
E
none of these
Question 6
The smallest 3-digit prime number is:
A
103
B
107
C
109
D
113
E
none of these
Question 7
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
E
none of these
Question 8
Which one of the following cannot be the square of a natural number ?
A
32761
B
81225
C
42437
D
20164
E
none of these
Question 9
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
E
none of these
Question 10
Which natural number is nearest to 9217, which is completely divisible by 88 ?
A
9152
B
9240
C
9064
D
9184
E
none of these
Question 11
Which natural number is nearest to 8458, which is completely divisible by 75 ?
A
8475
B
8500
C
8550
D
8525
E
none of these
Question 12
The largest 4-digit number exactly divisible by 88 is
A
9944
B
9768
C
9988
D
8888
E
none of these
Question 13
The largest 5-digit number exactly divisible by 91 is 
A
99921
B
99918
C
99981
D
99971
E
none of these
Question 14
What least number must be subtracted from 13601, so that the remainder is divisible by   87 ?
A
23
B
31
C
29
D
37
E
49
Question 15
What least number must be added to 1056, so that the sum is completely divisible by 23 ?
A
2
B
3
C
18
D
21
E
none of these
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