When purchased together, a pair of binoculars and the case cost $100. If the binoculars cost $90 more than the case, how much does the case cost?
Riddle AnswerLogic Riddles
Cookie Problem
In a cookie jar, there are ten butter cookies and ten chocolate-chip cookies. Tom sneaks over to the cookie jar in the middle of the night and tries to figure out:
- How many cookies do I need to take out of the jar if I want to make sure to get at least two of each kind?
- How many cookies do I need to take out of the jar if I want to make sure to get at least two butter cookies?
Romantic Candlelight Dinner
A man lights two candles and begins a romantic candlelight dinner with his wife. The candles are of equal length, but one candle is thicker than the other.
The thick candle is designed to last for 6 hours while the thin candle is designed to last for 3 hours.
At the end of the dinner, the thick candle is twice as long as the thin candle. How long did the dinner last?
Riddle AnswerTable Height
Five Pieces of Chain
A man has 5 pieces of chain that must be joined into a long chain. He can open ring 3 (first operation), link it to ring 4 (second operation), then unfasten ring 6 and link it to ring 7, and so on.
He could complete his task in 8 operations, but he wants to do it in 6. How does he do it?
Riddle Answer