Question

if the number 2 7 x 4 is divisible by 8 then the least digit to be replaced X is​

Answer 1

Answer:

ANSWER

A number is divisible by 9, when sum of its digit is divisible by 9.

Now the sum of the digit of 12x453

=1+2+x+4+5+3=15+x

The number closest to 15 and divisible by 9 is 18.

Hence, 3 needs to be added to 15.

∴x=3

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Answer 2

Answer:

Step-by-step explanation:

The divisibility rule for 8 is :

You have to take the last 3 digit no and divide it by 8 if it is divisible by then the no will be divisible by 8.

so 7x4 should be divisible by 8.

Thus the value of x can be 0, 4 , 8.

The least digit is 0.