If 37y4 is exactly divisible by 9, then the least value of y is

We know that if sum of digits of a number is divisible by 9, then the number is divisible by 9.


Here,


3 + 7 + y + 4 = multiple of 9


y + 14 = 0, 9, 18, …


Hence,


y = 4


the least value of y is 3

4