Multiple choice general knowledge math & puzzles

Using the numerals 1,7,7,7 and 7 (a "1" and four "7"s) create the number 100.

  1. 177-77 = 100

  2. 717/77 = 100

  3. 771/77 = 100

  4. 177/77 = 100
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A Correct answer
Explanation

Using the numerals 1, 7, 7, 7, 7 to create 100: 177 - 77 = 100. This uses all five required digits exactly once. Other options like 177/77 ≈ 2.3, 717/77 ≈ 9.3, and 771/77 ≈ 10.0 are incorrect.

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