Ex 3.6, 1 Find the HCF of the following numbers : (g) 70, 105, 175 HCF of 70, 105, 175
70 = 2 × 5 × 7
105 = 3 × 5 × 7
175 = 5 × 5 × 7
HCF of 70, 105, 175 = 5 × 7 = 35
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