Question

l) If 123123A4 is divisible by 11, then the value of A is _________. ​

Answer 1

Step-by-step explanation:

Given, 12312344 is divisible by 11, then we have (1 + 3 + 2 + 4) – (2 + 1 + 3 + 4) is a multiple of 11. i.e. (6+ 4)-10 =0,11,22,,.. => A-4 = 0,11,22,… => A-4 = 0 [A is a digit of the given number] => A = 4Read more on Sarthaks.com - https://www.sarthaks.com/864850/if-123123a4-is-divisible-by-11-find-the-value-of-a