What does the below image rebus riddle means ?

What is so fragile that saying its name breaks it?

Whats the next number in the below number sequence pattern.

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

How many letters are in the alphabet?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Why do you find that most of the buildings are deprived of the 13th floor?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?