Multiple choice

Directions: In each of the following numbers, one number is incorrect. Find out the odd number.

  1. 377

  2. 477

  3. 567

  4. 982
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The numbers 377, 477, and 567 are all divisible by 7 (377 ÷ 7 ≈ 53.86, actually 377 = 13×29 - not divisible by 7). Let me recalculate: 377 factors to 13×29, 477 = 9×53, 567 = 9×63 = 9×9×7, and 982 = 2×491. The clearer pattern is that 377, 477, and 567 are all odd numbers, while 982 is even, making it the odd one out.

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