It's a test that will check your IQ. Suppose you have one 11 minute hourglass and one 13 minute hourglass. Can you measure exactly fifteen minutes using them ?
The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?
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.
There is a box full of marbles, all but two are blue, all but two are green, and all but two are red. How many marbles are in the box?
What does this mathematical rebus means ?
John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl. How can He do it?
What word does this rebus represent? meta meta meta meta
I am sure no one can have two things for dinner. what are they?
Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one? 5 $ 4 $ 3 $ 9 = 4215 6 $ 9 $ 2 $ 6 = 3816 4 $ 7 $ 3 $ 3 = 1122 7 $ 2 $ 7 $ 4 = ____
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?
What does the following represent? N N N N N N N A A A A A A A C C C C C C C
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.