You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What is common among 11, 69, and 88?

Why is a river so rich ?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

In the image given, you can find several triangles. Can you count them all?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?