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Find the sum of all two-digit positive numbers divisible by (4).

Answer and explanation

Correct answer: (1188)

The numbers are (12,16,\ldots,96), and there are (22) terms, so the sum is (1188). Apply the two-digit limit carefully.

Related tags

Two Digit NumbersDivisibilityAp SumFinding The Sum Of The First (N) Terms Of An ApFinding The Sum Of The First N Terms Of An ApArithmetic Progressions (Ap)Arithmetic Progressions ApMathematics

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