There is a bottle recycling bin, with one lonely bottle inside. Every hour, on the hour, people come and put bottles into the skip. The first hour, at noon, one person came and put a bottle in. One hour later, two people placed a bottle each into the skip. An hour later four people placed a bottle each into the skip.
This doubling of people continued until 11pm, when the bin was finally full. When was the bin exactly half full?
Riddle AnswerWhat day would tomorrow be if yesterday was five days before the day after Sunday’s tomorrow?
Riddle AnswerA bathtub is full of water. If you have a teaspoon, a teacup and a bucket, what’s the easiest way to empty the bathtub?
Riddle AnswerA mute person goes into a shop and wants to buy a toothbrush. By imitating the action of brushing his teeth he successfully expresses himself to the shopkeeper and the purchase is completed.
Next, a blind man comes into the shop who wants to buy a pair of sunglasses; how does he indicate what he wants?
Riddle AnswerOnly mental calculation allowed. Take 1000 and add 40 to it. Now add another 1000. Now add 30. Add another 1000. Now add 20. Now add another 1000. Now add 10. What is the total?
Riddle Answer