What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.
I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?
You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely? DONALD +GERALD =ROBERT
Buy me, smell me or deliver me, I do not change. Who am I?
What occurs twice in a week, once in a year but never in a day?
Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?
When can we add 2 to 11 and get 1 as the correct answer?
I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.
