Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Can you make a six-letter word using the letters N, A and B ?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

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

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?