In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

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

What does this rebus means ?

I am white when I am dirty, and black when I am clean. What am I?

Solve the following series:
AZ, GT, MN, __, YB

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?