What is full of holes but still holds water?

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

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

In the image below, can you find the value of an angle(y)

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

The centre of the third figure is empty. What digit should fit inside?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Can you identify if it's a murder or a suicide ?