_________ should subtracted from 642 to make it divisible by 8.
0
1
2
642
Common factor of 15 and 12 is
4
3
None of these
First multiple of a number is
10
The number itself
LCM of 5 and 7 is:
5
7
12
35
The smallest even prime number is
8
Find the odd one.
63
59
72
84
LCM of 15, 30 is:
15
30
450
Find the odd one:
31
43
73
93
Number of multiples of 9, which is less than 50?
6
The number 24 has ________ factors.
2 factors
4 factors
6 factors
8 factors