Question:
What are the next three numbers in this series: 4, 8, 12, 16,...?
Answer:
20, 24, 28 (Add 4.)
Try another Brain Teaser:
10 candles stand burning in a dining room. A strong breeze blows in through an open window and extinguishes 3 of them. Assuming the wind doesn't extinguish any more candles, how many candles do you have left in the end?