Multiple choice general knowledge math & puzzles

last digit in 5 power 25 is

  1. 5

  2. 10

  3. 0

  4. 50
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A Correct answer
Explanation

Any power of 5 (where the exponent is at least 1) ends in the digit 5 (5, 25, 125, 625...). Therefore, 5^25 must end in 5. Options like 0, 10, or 50 are impossible for powers of 5.

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