What is wrong in the below Picture?

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

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Decode below rebus
D
N
A
T
S , D

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

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?