What is the coolest letter in the alphabet?

If eleven plus two equals one, what does nine plus five equal?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

What is the next number in this series?

4,12,84,3612....

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

Which is Odd One Out and why?

4377

3954

9862

8454

9831

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

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?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?