Question

If 86y5 is exactly divisible by 3, then the least value of y is:

• A. 3
• B. 0
• C. 1
• D. 2

Answer 1

Answer:

D. 2

If the sum of the digits of a number is divisible by 3, then the complete number is divisible by 3 Sum of the digits = 8 + 6 + Y +5 = 19 + Y to make the sum divisible by 3 , the least value of y which can be added is 2 number becomes 19 + 2 = 21,which is divisible by 3