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Worksheets

Playing with numbers

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

Which of these is the factor of 50

a)

7

b)

3

c)

10

d)

6

2.

Two numbers having only 1 as a common factor.

a)

Whole number

b)

Co- Prime number

c)

Composite number

d)

Natural number

3.

The HCF of two co-prime numbers is

a)

1

b)

2

c)

0

d)

2

4.

The HCF of 12 and 16 is

a)

2

b)

4

c)

6

d)

1

5.

The HCF of two consecutive odd numbers is

a)

0

b)

1

c)

Bigger number

d)

Smaller number

6.

The HCF of two consecutive even numbers is

a)

1

b)

2

c)

Smaller number

d)

Bigger number

7.

The HCF of 66,77,88

a)

22

b)

11

c)

66

d)

33

8.

The LCM of two consecutive numbers is

a)

Their Sum

b)

Their Product

c)

Their Difference

d)

None of these

9.

The smallest odd composite number is

a)

3

b)

5

c)

9

d)

15

10.

The LCM of two co-prime numbers is

a)

Their Product

b)

Their Sum

c)

Their difference

d)

None of these

11.

The LCM of 12 and 16 is

a)

24

b)

48

c)

96

d)

32

12.

What is the Sixth multiple of 13?

a)

78

b)

65

c)

52

d)

91

13.

Which of them is a composite number?

a)

31

b)

13

c)

27

d)

29

14.

The number of multiples of 10 is

a)

10

b)

100

c)

1000

d)

Infinite

15.

The smallest composite number is

a)

1

b)

2

c)

4

d)

9

16.

Which of the following is an Even Number?

a)

1245

b)

76245

c)

9900

d)

34679

17.

Which of the following is divisible by 3?

a)

474

b)

31

c)

85

d)

100

18.

Which of the following is divisible by 8?

a)

1245

b)

9000

c)

411

d)

357

19.

_____ is the smallest factor of 12?

a)

12

b)

3

c)

2

d)

1

20.

Select the Prime Numbers.

a)

8

b)

11

c)

37

d)

20

21.

Fill in the smallest digit in the blank so that 470__ is divisible by 4.

a)

1

b)

2

c)

3

d)

0

22.

Multiple of a number is greater than or equal to the given number.

a)

True

b)

False

23.

The common factors of 60 and 75 are ____________.

a)

1,3

b)

1,3,5

c)

1,3,5,10

d)

1,3,5,15