For questions 1-3, find the LCM of the given numbers.

1. 10, 25

A) 5
B) 10
C) 25
D) 50

2. 24 , 36

A) 36
B) 72
C) 144
D)864

3. 7 , 14

A) 14
B) 28
C) 42
D) 56