How can a man go eight days without sleep?

Can you find out the total number of triangles in the given figure?

What does this mean?

CCCCCCC

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

Can you solve the photo plexer logic ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99