What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What does this mathematical rebus means ?

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

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Can you find a number that lies one third of the distance between 1/3 and 2/3?

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

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

Which is faster, Heat or Cold ? Explain.

How can you make a TV, a bed, a dog, and a car liquid?

You can win me and lose me but never buy me
You can not eat me and never want to part with me
I can make you cry or bring you joy
I am not a machine and definitely not a toy
You keep me but i am not forever just yours
You might find me in a case or on a shelf next to a vase
I am hard and i am tall if you bump me i am sure to fall
I am made of different materials and am at many events
If your lucky and fight hard I might be yours
What am I ?