Question

smallest number to make it divisible by 11 , 439*71

Answer 1

Answer:if the sum of alternative digits in a numbers is divisible by 11 then the no. Is divisible by 11

4 + 9 + 1 = 14

7 + 3 = 10 therefore the number must be 4

If the number is 4

7 + 3 + 4 = 14

14 - 14 = 0 which is divisible by 11

Hence the number must be 4