What is next number in the pattern below:

131 517 192 123 ?

Which Burger Is Different in below image?

I am white when I am dirty, and black when I am clean. What am I?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

I look at you, you look at me I raise my right, you raise your left. What am I?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Name a key which is hardest to turn.

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?