What's the best place to go shopping in the ocean?
A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son. How much did the widow receive?
What is the centre of gravity?
What has many keys but can’t open a single lock?
What came first, the chicken or the egg?
John can place six large boxes or nine small boxes into a carton. Can you find out in how many cartons can he place sixty-six boxes in total?
How is the moon similar to a dollar?
What is the riddle which can be asked all day with a different correct answer each time.
You have two rectangular wires. Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn. However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes). So how could you measure 45 minutes ?
If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?
You need to move three matchsticks to form three squares. Can you do it?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.