Multiple choice general knowledge math & puzzles

If Sam now has 26 marbles and his brother took 7 and his sister took 8 how many did he have?

  1. 18

  2. 51

  3. 11

  4. 9
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sam now has 26 marbles after giving away some. To find the original amount, add back what was taken: 26 + 7 + 8 = 41 marbles originally. The question asks how many he HAD originally (before the marbles were taken), not how many he HAS now. This is a reverse-operation word problem.

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