What do you get if you add 2 to 100 four times?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

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

Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What number when divided in half becomes zero?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?