By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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

How Come ??

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

How many triangles can you find in this given picture?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.