If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Can you count the number of quadrilaterals in the picture below?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

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 ?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What do you answer even though it never asks you questions?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?