Question

If 15a is a divisible by 9 find the value of ‘a’

Answer 1

if 15a is divisible by 9 then the value of 'a' should be 

{divisibility of 9 is sum of all the digits of the number is divisible by 9 }

so, 1+5+a = 6+a =

      if we put a = 3, then

      6+a =6+3 =9  and

      9 is divisible by 9 

so, the value of 'a' is 3.

i hope this answer ks helpful to you...................................

thank you 

Answer 2

Answer:

a can be 3 ,6,9 ...etc

Hope it helps!