Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

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?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Move three sticks of the spiral below to form a square.

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you find out the remainder when 3^300 is divided by 5?