There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

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

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Find the missing number in the sequence below:

Find out which of the given views in the picture is accurately the top view of the given pyramid.

How can you make a TV, a bed, a dog, and a car liquid?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What makes this number unique: 8,549,176,320?