Question

Given that a number 4523p2 is divisible by 4 find the value of p

Answer 1

4523p2 is divisible by 4

If any number ends in a two digit number that you know is divisible by 4 (e.g. 24, 04, 08, etc.), then the whole number will be divisible by 4 regardless of what is before the last two digits.

P2 is divisible by 4

12,32,52,72,92 is divisible by 4

I.e. the value of P=1,3,5,7,9

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