What is so fragile that saying its name breaks it?

Count the Triangle in the figure given below:

In the picture given below, can you find out which digit will take place of the question mark?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

The cream is heavier than Milk. True or False?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What is black when you buy it, red when you use it, and gray when you throw it away?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?