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19 November, 17:13

In a school building, rhere are 8 exterior doors and twelve stairways to enter the second floor. Find the total number of ways to reach the second floor.

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Answers (2)
  1. 19 November, 17:22
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    I think its 20 ways because 8 + 12
  2. 19 November, 17:27
    0
    I think its 20 ways to reach the second floor
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