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

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

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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

What is the longest word in the dictionary?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Replace the question mark with the correct number in below Picture:

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

What does this rebus puzzle means ?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?