It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

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 ?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Can you count the number of squares in the figure below?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Be active and find the killer in the picture Riddle below.

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.