Page 1 - Home Assignment Ans
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Answers Home Assignment-6
1. 70, 105, 175
70 = 2 × 5 × 7
105 = 3 × 5 × 7
175 = 5 × 5 × 7
HCF = 5 × 7 = 35
Therefore the HCF of 70, 105, 175 is 35
(h) 91, 112, 49
91 = 7 × 13
112 = 2 × 2 × 2 × 2 × 7
49 = 7 × 7
HCF = 7
Therefore the HCF of 91, 112, 49 is 7.
2. (a) The HCF of two consecutive numbers is 1
