Question

if 1x4287 is divisible by 9 then find the value of x​

Answer 1

Answer:

x=7 is the right answer..

Answer 2

Answer:

The divisibility rule of 9 - sum of all digits is divisible by 9

Here, 1 + x + 4 + 2 + 8 + 7 should be divisible by 9

= 22 + x is divisible by 9

The nearest number to 22 divisible by 9 is 27

So, 27 - 22

x = 5

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