Ex 3.3, 3 - Chapter 3 Class 6 Playing with Numbers - Part 9

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

Transcript

Ex 3.3, 3 Using divisibility tests, determine which of following numbers are divisible by 6: (i) 639210Divisibility by 2 Since 639210 ends with 0 It is divisible by 2 Divisibility by 3 Sum of the digits = 6 + 3 + 9 + 2 + 1 + 0 = 21 Since 21 is divisible by 3 639210 is divisible by 3 Since 639210 is divisible by both 2 & 3 It is divisible by 6

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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.