Count the number of balls in picture below:

What is the fastest way to double your money?

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

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What is the word or phrase?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

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 ?