A. List down all the factors of the following numbers. Choose the letter of the correct answer.

1.25 = _____________________________________
a.
2, 25, 1
b.
1, 5
c.
1, 5, 25
d.
5, 25

2.40 = _____________________________________
a.
1, 2, 4, 5, 10
b.
2, 4, 5, 8, 10
c.
1, 2, 4, 5, 8, 10, 20, 40
d.
1, 5, 10, 20

3.90 = ______________________________________
a.
1, 2, 3, 5, 6, 15, 30, 90
b.
2, 3, 5, 6, 30, 90
c.
1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
d.
1, 2, 3, 5, 10, 9

B. List down the first ten multiples of the following numbers. Choose the letter of the correct answer.

4. 11 = _____________________________________
a.
11, 22, 44, 66, 77, 88, 99, 110
b.
22, 33, 44, 55, 77, 99, 110, 121
c.
11, 22, 33, 44, 55, 66, 77, 88, 99, 110
d.
11, 22, 33, 44, 55, 66, 111

B. List down the first ten multiples of the following numbers.


7 = ____________________________________
a.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
b.
7, 12, 15, 21, 25, 32, 40, 47, 54, 61
c.
7, 21, 35, 42, 56, 63, 70, 77, 84
d.
14, 28, 35, 42, 49, 56, 63, 70, 77, 84