What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
If 21x = 79x, what is the value of x?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum. 1) Suppose the lion is hungry, will he be able to eat up the tamer? 2) If yes, how long can the tamer survive?
Complete the following series. It.s very logical: 1, 4, 5, 6, 7, 9, 11, __?
Find the Next Number in the Sequence 2 9 3 1 8 4 3 6 5 7 ?
Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?
A man dies of old age on his 25 birthday. How is this possible?
Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?
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?
Which number should replace the question mark?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
