How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?
I am white when I am dirty, and black when I am clean. What am I?
using four eights (8) and a one (1) and one mathematical symbol , create the number 100
I am lying and I always lie. Tell me whether I am lying or telling the truth.
How high do you have to count before you use the letter “a†in the English spelling of the whole number?
Find the Odd One Out? 84129 32418 47632 36119 67626 72927
What is red and smells like blue paint?
John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?
I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.
