Question

Find a such that the 5 digit number is divisible by 91a92 is divisible by 9

Answer 1

Answer:

a= 6

Step-by-step explanation:

◾ divisibility by 9 = the sum of the digits of the number should be divisible by 9.

◾ in the given no. the value of a should be such that the number gets divisible by 9

◾ 9+1+a+9+2 = 21+a

◾ The nearest number which is divisible by 9 is 27.

◾ Therefore, 21+ a = 27

a= 6

verification : 91692/9 = 10188