You need to move three matchsticks to form three squares. Can you do it?

Forwards I am heavy, backward I am not. What am I?

How many triangles can you find in this given picture?

What word is represented by this rebus?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

Which tank will fill first?

By moving just one matchstick, you need to make the below statement true. Can you do it?

What occurs twice in a week, once in a year but never in a day?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?