Multiple choice

There are some flowers in a basket and at every next minute they get doubled. At the 30th minute the basket becomes full. Then at exactly which minute the basket was half filled?

  1. 15th minute

  2. 20th minute

  3. 29th minute

  4. 12th minute
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the flowers double every minute and the basket is full at 30 minutes, then at 29 minutes, the basket must have been half-full (since half of full is double the previous minute).

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