Question

if 24x is a multiple of 3, where x is a digit .find value of x

Answer 1

We know , for a number to be divisible by 3 , the sum of digits should be divisible by 3

so,

2 + 4 + x = multiple of 3

6 + x = 6

x = 0


there are other possible value like 3 , 6 and 9 , which can take place of 0 in the equation and hence in the number