A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?
Find the hidden tiger in the given optical illusion ?
Move four matchsticks to the below square to form three squares?
A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)
There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?
There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?
A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.
How can he do that?
Why is the longest human nose just 11 inches?
A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.
Can you calculate the weight of the entire wooden log?
What is the next number in this series?
4,12,84,3612....
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.