What is the least value of x so that the number 8x5215 becomes divisible by 9?A3B1C5D6Answer: D. 6 Read Explanation: A number is divisible by 9,if the sum of all digit is divisible by 9. The sum of all digit = 8 + x + 5 + 2 + 1 + 5 = 21 + x The least value of x is 6.Read more in App