The prime numbers between 10 and 20 are
11, 15, 17, 19
11, 13, 17, 19
11, 16, 17, 19
11, 13, 19
Number of prime numbers between 20 and 30 is
1
2
3
4
13 is a _________ number.
Even
Prime
Composite
None of these
Which of the following is co-prime numbers
6, 9
8, 12
4, 9
10, 15
Largest prime number is
999
10000
1 Lakh
Can't defined
All numbers ending in 1, 3, 5, 7 or 9 are _________ numbers
Odd
Odd numbers leave ____________ as remainder when divisible by 2.
0
28 is a _________ number
All numbers ending in 0, 2, 4, 6 or 8 are ____________ numbers
Of the following, twin prime numbers are
13, 17
19, 21
23, 25
17, 19
