Ex 3.6, 1 Find the HCF of the following numbers : (i) 18, 54, 81
18 = 2 × 3 × 3
54 = 2 × 3 × 3 × 3
81 = 3 × 3 × 3 × 3
HCF of 18, 54, 81 = 3 × 3 = 9
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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.