1. Find the HCF of the following numbers
by listing down the common factors.
a) 99, 33 b) 25, 45 c) 60, 80
d) 35, 20, 45 e) 21, 42, 70 f) 18, 45, 72
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3
Answer:
a) 11
b)5
c)5
d)5
e) 7
f) 3
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7
Answer:
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