Ex 3.3
Last updated at Dec. 16, 2024 by Teachoo
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