The centre of the third figure is empty. What digit should fit inside?
What can you hold in your right hand, but never in your left hand?
What is the word or phrase?
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?
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 ?
John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?
If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?
How many times can you subtract the number two from the number fifty?
Can you find the key in the picture below?
If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?
O_er_t_o_ Complete the missing letters of the given word.
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.