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

How can you tell a raw egg from a hard-boiled egg?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Replace the question mark with the correct number.

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

What is the next shape from answers A, B, C, and D figure?

I have branches, but no fruit, trunk or leaves. What am I?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?