Can you count the number of squares in the given picture?

There is a place where if I stand up straight, I will still be considered sideways.

If 21x = 79x, what is the value of x?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Find out the number of circles in the given picture having Illusion

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

Can you place six X (crosses) in below board without making three in a row in any way ?