Q1: Find the HCF of the following
a) 140, 210
b) 60, 120, 210
c) 27, 64, 208
d) 84, 63, 126
e) 23 x 32 x 5 and 22 x 34 x 53
f) 2 x 52 x 7 and 23 x 34 x 53 x 72
Q2: Find the LCM of the following
a) 6, 9, 15
b) 8, 9, 12
c) 24, 18
d) 22 x 33 x 54 and 2 x 34 x 53 x 7
e) 23 x 34 x 5 and 22 x 33 x 52
f) 22 x 5 x 7 and 23 x 32 x 52 x 11