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

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.