There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

Replace the question mark with the correct number in the below-given picture?

What does this simple rebus mean?

What is the difference between a jeweller and a jailer?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

What happened when the wheel was invented?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.