Question

If 32 x is a multiple of 3,where x is a digit, what are the possible values of x?

Answer 1

Hi there !
Here's the answer:

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• All multiplies of 3 satisfy divisibility rule of 3. i.e., if the no. is a multiple of 3, it is divisible by 3.
• A Number is a divisible by 3 if sum of digits is divisible by 3.

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Given,
The No. is 32x

Inorder to be a multiple of 3,
3 + 2+x = {6,9,12}

x= {6-5,9-5,12-5}
•°• x= {1, 4, 7}


•°• The possible values of x are 1, 4, 7.

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Hope it helps