An example for twin primes is:
5, 11
3, 5
11, 17
3, 7
Number of prime numbers between 50 to 60 is:
1
2
3
4
The product of 10 and 0 is
10
0
20 is written as product of prime as:
2 × 5
2 × 2 × 3 × 5
2 × 2 × 5
2 × 2 × 3
The prime number which comes instantly after 43 is:
49
45
47
None of these
All numbers with 1,3,5,7 or 9 in the unit place are called ________ numbers.
odd
even
rational
L.C.m of 17 and 5 is:
105
95
85
5
The numbers which have more than two factors are called.
Even
Prime
Composite
Example for co-prime numbers is:
25, 14
18, 16
9, 18
11, 77
The multiples of 11 less than 50 which are even numbers are
22,30,50
20,33,45
11,22,33,44
22,44
