Which of the following are relatively prime numbers.
(5,15)
(7,21)
(5,20)
(19,25)
Relation between GCD and LCM is.
Product of two numbers = GCD × LCM
Product of two numbers = GCD + LCM
Product of two numbers = GCD - LCM
None of these
Which of the following is a divisor of any number.
1
the number itself
Both (1) and (2)
0
A prime number between 5 and 11 is
6
7
8
10
Numbers which are divisible by 1 and the number itself are called
Prime numbers
Composite numbers
Whole numbers
Natural numbers
Which of the following are the divisors of 10.
1,2,5
2,5
1,2,5,10
2,10
If the GCD of any ordered pair is 1, then they are said to be
Relatively prime numbers
Number of one digit prime numbers are
2
3
4
Smallest two digit prime number is
37
11
Which of the following are the divisors of 4?
2,4
1,2
1,2,4
