I look at you, you look at me I raise my right, you raise your left. What am I?

What does does this rebus picture means ?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

What runs around the whole yard without moving?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

Solve below rebus puzzle?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?