When Tom was 2 years old his sister was half his age. Now, Tom is 100 years old. Then how old is his sister?
Riddle AnswerMath Riddles
Binoculars and Case Cost $100
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 AnswerSwitching Problem
Here is a light switch. Note the order of the positions. If the light is now at medium and it is switched 3922 times what will be the position of the switch?
Probability of Picking 2 Black Socks
There was a blind man. He had four socks in his drawer that were either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.
Can you find out the probability of picking 2 black socks?
Riddle AnswerRomantic 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 Answer