Question
Determine the smallest possible value of 'P' that makes
the eight-digit number '4423P456' fully divisible by 3.Solution
Divisibility by '3': Sum of all the digits of the given number must be divisible by '3'.
Sum of all the digits of the given number = 4 + 4 + 2 + 3 + P + 4 + 5 + 6 = (P + 28)
The minimum value of 'P' will be = 2
As, 30 is the nearest number to 28, which is divisible by '3'.
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