Find a number which is a multiple of all the numbers from 1 to 10.
5040
1260
720
1440
What is the difference between the least common multiple and highest common factor of the number 8 and 12?
28
8
4
20
The smallest even prime number is
2
None of these
_________ should subtracted from 642 to make it divisible by 8.
0
1
642
What are the common factors of 12 and 18?
1,2,3,4
1,3,4,5
1,2,3,6
1,2,4,6
__________ is a multiple of every non - zero number.
10
5
Find the odd one:
31
43
73
93
Find the sum of first three multiples of 5.
15
30
35
Find the odd one.
63
59
72
84
First 3 multiples of 5 are
2, 4 , 8
5, 10, 15
20, 25, 30
40, 45, 50
