EASY
CISF Head Constable
IMPORTANT
Earn 100

Which of the following is not a prime number?

79, 83, 87, 97

50% studentsanswered this correctly

Important Questions on Numbers

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IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 7

Which of the following is a prime number?

117, 147, 149, 159

 

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IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 8

The next number in the sequence 1, 7, 3, 9, 5, 11, … is:

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IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 9

In the sequence 4, 9,_,25, 36 the missing number is:

 

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IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 10

In the sequence,17,_,18,15,19,14,20,13 the missing number is:

 

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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 21
The smallest whole number which is divisible by 3 and also by the next two greater prime number is:
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IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 22
A number is called perfect, when it is equal to the sum of all its divisions excluding the number itself, e.g., 6 = 1 + 2+ 3. The other perfect number less than 32 is:
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IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 23

The smallest number of four digits is:

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IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 33 - Numbers>EXERCISE>Q 24

The largest number of four digits is: