The number 24 has________ factors
2 Factors
4 factors
6 factors
8 factors
LCM of 5 and 7 is:
5
7
12
35
Find the sum of first three multiples of 5.
15
20
30
The sum of prime numbers between 20 and 30 is:
50
23
52
51
What is the difference between the least common multiple and highest common factor of the number 8 and 12?
28
8
4
The factor of the number shown on the spike abacus is:
9
21 and 31 are _________ numbers.
Prime
Composite
Co- prime
Twinprime
Common factor of 15 and 12 is
2
3
None of these
LCM of 6, 12 and 18 is:
18
36
24
72
LCM of 15, 30 is:
450
