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WorksheetsPlaying with Numbers
Total questions: 20
Worksheet time: 28mins
Which of the following is smallest prime number:
1
2
3
4
The only prime number which is also even
1
2
3
4
If a number is divisible by 2 and 5 both then is divisible by
2
5
7
10
Which of the following number is divisible by 3
121
123
124
122
A number is divisible by 4 if its
last digit is 4
last digit is 0
last two digits are divisible by 4
last digit is 8
The HCF of two co prime numbers is 1
True
False
The numbers having more than two factors are called
Prime numbers
Composite numbers
Even numbers
Odd numbers
Which number is neither prime nor composite
1
0
2
3
In which of the following expressions, prime factorisation has been not done?
24 = 2 × 2 × 2 × 3
56 = 7 × 2 × 2 × 2
70 = 2 × 5 × 7
54 = 2 × 3 × 8
Which of the following numbers is divisible by 11?
165
111
222
100
Divisibility by 2,5,10 can be checked by
sum of digits
last digit
last two digits
last three digits
The HCF of two consecutive numbers is always
1
2
0
None of the above
Identify whether the given statement is 'TRUE' or 'FALSE'
All prime numbers are odd
True
False
How many prime numbers lie between 1 and 10?
3
4
5
2
In which of the following prime factorisation has been done:
56 = 1x2x2x2x7
56 = 2x2x2x7
56 = 2x4x7
56 = 2x2x14
If a number is divisible by 5, then which of the following can be its one's digit?
2
3
4
5
_____ is the smallest factor of 12?
12
3
2
1
The first 2 common multiples of 3 and 4 are ____ and ___.
12 and 20
12 and 16
12 and 18
12 and 24
If a number has 0 in ones place, then it is divisible by _____.
5
10
both ( 5 and 10)
None of the Above
1 is a ______ of every number.
factor
multiple
coprime
prime
