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Math Question for Thursday, April 17th, 2014

Which of the following is divisible by 3 (with no remainder)?

**A.** 2,725

**B.** 4,210

**C.** 4,482

**D.** 6,203

**E.** 8,105

## Incorrect

For 2,725, 2 + 7 + 2 + 5 = 16, which is not divisible by 3.

## Incorrect

For 4,210, 4 + 2 + 1 + 0 = 7, which is not divisible by 3.

## Correct!

**The correct answer is C.**
A rule for divisibility by 3 is: if the sum of the digits of a number is divisible by 3, then so is the number; 4 + 4 + 8 + 2 = 18, which is divisible by 3.

## Incorrect

For 6,203, 6 + 2 + 0 + 3 = 11, which is not divisible by 3.

## Incorrect

For 8,105, 8 + 1 + 0 + 5 = 14, which is not divisible by 3.