Successor of every even number is:
Even
Prime
Odd
None of these
When two even numbers are added the sum is also an __________ number.
odd
rational
even
LCM of two numbers
Product of numbers ÷ their HCF
Product of numbers × their HCF
Product of numbers
Prime factors of 140 are:
2 × 2 × 7
2 × 2 × 5
2 × 2 × 5 × 7
2 × 2 × 5 × 7 × 3
The factors of 21 are
1,3,7,21
1,3,6,21
2,3,7,21
1,7,21
The number which are multiples of 2 are called:
Composite
Which of the following statement is true?
All prime numbers are odd
All prime numbers are even.
There is only one even prime number.
There is only one odd prime number.
H.C.F of two Co-prime numbers is:
1
0
2
The smallest prime number is
5
Write four multiples of 5
5, 10, 15, 20
1, 5, 10, 15
1, 10, 15, 20
0, 1, 5, 10