playing with numbers

Which of these is the factor of 50

• 7

• 3

• 10

• 6

Two numbers having only 1 as a common factor.

• Whole number

• Co- Prime number

• Composite number

• Natural number

The HCF of two co-prime numbers is

• 1

• 2

• 0

• 2

The HCF of two consecutive even numbers is

• 1

• 2

• Smaller number

• Bigger number

The LCM of two consecutive numbers is

• Their Sum

• Their Product

• Their Difference

• None of these

The HCF of 66,77,88

• 22

• 11

• 66

• 33

The smallest odd composite number is

• 3

• 5

• 9

• 15

The LCM of two co-prime numbers is

• Their Product

• Their Sum

• Their difference

• None of these

What is the Sixth multiple of 13?

• 78

• 65

• 52

• 91

The smallest composite number is

• 1

• 2

• 4

• 9