If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Can you solve the below geography rebus by decoding the below rebus ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

What 5-letter word typed in all capital letters can be read the same upside down?

What has many keys but can’t open a single lock?

There is a place where if I stand up straight, I will still be considered sideways.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?