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)
{45,185}
(ii)
{28,34}
(iii)
{14,17}
(iv)
{42,51}
(v)
{36,148}
Question
2
2.
Which of the following is an even number?
(i)
25
(ii)
17
(iii)
47
(iv)
34
(v)
21
Question
3
3.
Which of the following is an odd number?
(i)
4
(ii)
22
(iii)
25
(iv)
24
(v)
38
Question
4
4.
Which of the following is a prime number?
(i)
43
(ii)
14
(iii)
21
(iv)
32
(v)
48
Question
5
5.
Which of the following is a composite number?
(i)
7
(ii)
37
(iii)
23
(iv)
11
(v)
33
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)
{15,78}
(ii)
{75,215}
(iii)
{5,26}
(iv)
{60,172}
(v)
{10,52}
Question
8
8.
Which of the following is an even number?
(i)
7
(ii)
15
(iii)
18
(iv)
35
(v)
9
Question
9
9.
Which of the following is an odd number?
(i)
34
(ii)
32
(iii)
28
(iv)
30
(v)
49
Question
10
10.
Which of the following is a prime number?
(i)
38
(ii)
6
(iii)
3
(iv)
30
(v)
28
Question
11
11.
Which of the following is a composite number?
(i)
37
(ii)
3
(iii)
21
(iv)
47
(v)
11
Question
12
12.
Find the twin primes in the following
(i)
(3,2)
(ii)
(3,11)
(iii)
(2,11)
(iv)
(3,5)
(v)
(3,7)
Assignment Key
1) (iii)
2) (iv)
3) (iii)
4) (i)
5) (v)
6) (v)
7) (iii)
8) (iii)
9) (v)
10) (iii)
11) (iii)
12) (iv)