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

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

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  1. Chapter 3 Class 6 Playing with Numbers
  2. Serial order wise

Transcript

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 is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.