Ex 3.3, 4 - Chapter 3 Class 6 Playing with Numbers - Part 7

Ex 3.3, 4 - Chapter 3 Class 6 Playing with Numbers - Part 8

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Ex 3.3, 4 Using divisibility tests, determine which of the following numbers are divisible by 11: (f) 901153 901153 Sum of digits at odd Places = 3 + 1 + 0 = 4 Sum of digits at even Places = 5 + 1 + 9 = 15 Difference = 15 − 4 = 11 Since 11 divisible by 11 ∴ 901153 is divisible by 11 Numbers divisible by 11 are 5445 10824 (d) 70169308 (e) 10000001 (f) 901153

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo