Question

If 42Z3 is a multiple of 9 , where Z is a digit, what is the value of Z​

Answer 1

Answer:

0

Step-by-step explanation:

by divisibility test the sum of no.is4+2+Z+3=9+z

so to make it divisible z=0

Answer 2

Step-by-step explanation:

42Z3 is a multiple of 9.

=》4+2+Z+3 i.e. 9+Z is multiple of 9

=》 Z = 0 or 9. (as z is a single digit number)

So, value of Z = 0 or 9.