show that 1 and only 1 out n, n+1 , n+ 4 is divisible by 3, here n is any consecutive integer.
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The answer is 2 because
2 + 1 = 3 which is divisible by 3
2 + 4 = 6 which is divisible by 3
2 + 1 = 3 which is divisible by 3
2 + 4 = 6 which is divisible by 3
shreyash12:
thank u
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