The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?
What is black when you buy it, red when you use it, and gray when you throw it away?
What is the largest number you can write with just 3 digits?
What does a man do only once in his lifetime, but women do once a year after they are 29?
What is harder to catch the faster you run?
Why do we preferably have round manhole covers and not square ones?
What does the following BrainBat signifies? ABCDEFGHIJKLMNOPQRSTUVWYZ QQQQQQQQQQQQQQQQQQQQQQQQQ.
Whats the next number in the below number sequence pattern.
What common phrase is represented by the below lines Easy going: Weak, 'I'm going.' Tough, 'I'm staying.' Medium going: Weak, 'I'm going.' Tough, 'I'm staying.' Tough going: Weak, 'I can't do it, I'm staying!' Tough, 'Let's get going.'
The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?
Move four matchsticks to the below square to form three squares?
The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.