Can you find the missing piece of the Porsche?
You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?
I don't get anymore wetter, no matter how much rain falls on me.
I have a clock(12-hour format) and both the needles of the clock overlap at 12:00. After how much time, they will overlap again?
Can you write down eight eights so that they add up to one thousand?
John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?
How many times can you subtract the number 5 from 25?
What month of the year has 28 days?
Count the number of times the letter "F" appears in the following paragraph: FAY FRIED FIFTY POUNDS OF SALTED FISH AND THREE POUNDS OF DRY FENNEL FOR DINNER FOR FORTY MEMBERS OF HER FATHER'S FAMILY.
Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
Can you solve this picture maths equation?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.