# 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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