Worksheetsbasic mathematics
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
How many prime numbers are there between 1 and 50
a)
18
b)
12
c)
15
d)
20
2.
What is HCF of 17 and 5?
a)
1
b)
5
c)
17
d)
85
3.
The successor of every even number is...
a)
Even
b)
Prime
c)
Odd
d)
Composite
4.
A is 5th prime number, B is 7th prime number,What s is B-A?
a)
6
b)
8
c)
12
d)
2
5.
Which of these numbers is factor of every number?
a)
0
b)
1
c)
2
d)
4
6.
What is the HCF of two Coprime numbers?
a)
1
b)
0
c)
2
d)
4
7.
Give an example of twin primes.
a)
5,11
b)
3,5
c)
11,17
d)
3,7
8.
What is the LCM of 17 and 5?
a)
105
b)
95
c)
85
d)
5
9.
What is the number that is neither prime nor composite?
a)
1
b)
2
c)
3
d)
5
10.
What is the smallest prime number?
a)
1
b)
2
c)
3
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