What is so fragile that saying its name breaks it?
The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total. How much time will he take to have all the five tablets?
Can anyone tell me a word in the English dictionary which has a silent 'z'?
How can you tell a raw egg from a hard-boiled egg?
Do You See It?
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Can you find the missing number in the third row? 35 20 14 27 12 18 5 2 ?
I am a white box having no key or lid. Yet there is a golden treasure inside it. What Am I?
A father's child, a mother's child, yet no one's son. Who am I?
John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?
Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.