EduSahara™ Worksheet

EduSahara™ Assignment

Name : Types of Numbers

Chapter : Factors and Multiples

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

Find the co-primes in the following

(i)

{4,20}
(ii)

{5,25}
(iii)

{21,32}
(iv)

{63,96}
(v)

{42,64}

Question 2

2.

Which of the following is an even number?

(i)

11
(ii)

7
(iii)

47
(iv)

32
(v)

23

Question 3

3.

Which of the following is an odd number?

(i)

30
(ii)

36
(iii)

18
(iv)

4
(v)

17

Question 4

4.

Which of the following is a prime number?

(i)

22
(ii)

32
(iii)

28
(iv)

19
(v)

34

Question 5

5.

Which of the following is a composite number?

(i)

41
(ii)

47
(iii)

3
(iv)

10
(v)

37

Question 6

6.

Find the twin primes in the following

(i)

(2,5)
(ii)

(3,2)
(iii)

(2,11)
(iv)

(2,7)
(v)

(59,61)

Question 7

7.

Find the co-primes in the following

(i)

{15,55}
(ii)

{10,14}
(iii)

{5,7}
(iv)

{15,21}
(v)

{12,44}

Question 8

8.

Which of the following is an even number?

(i)

36
(ii)

35
(iii)

15
(iv)

49
(v)

21

Question 9

9.

Which of the following is an odd number?

(i)

42
(ii)

44
(iii)

4
(iv)

46
(v)

41

Question 10

10.

Which of the following is a prime number?

(i)

38
(ii)

26
(iii)

16
(iv)

21
(v)

5

Question 11

11.

Which of the following is a composite number?

(i)

9
(ii)

31
(iii)

47
(iv)

7
(v)

5

Question 12

12.

Find the twin primes in the following

(i)

(3,2)
(ii)

(3,5)
(iii)

(3,7)
(iv)

(2,7)
(v)

(3,11)

Assignment Key