Question

If 581z974 is divisible by 6,when z is a digit,find the value (s) of a

Answer 1

Answer:

2,5,8

Step-by-step explanation:

If a number has to be divisible by 6 then it should be divisible by 2 and 3.

The given number is obviously divisible by 2. Now it should be divisible by 3.

If a number should be divisible by 3, then the sum of the digits should be divisible by 3.

5 + 8 + 1 + z + 9 + 7 + 4 should be divisible by 3.

34 + z should be divisible by 3.

The values of z for which the number is divisible by 3 are 2 , 5 , 8

Hence the possible values of z are 2 , 5 , 8.

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