Count the number of lines in the image below ?

Replace the question mark with the correct number in below Picture:

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

You are trapped into a death trap by the famous jigsaw killer. As usual, a screen flashes in front of you and explains you the trap game. There are 100 pearls kept in a bowl in front of you and an empty bowl. Among the 100 pearls, 50 are white and 50 are black. You can divide them as you like into the two bowls. Once you are done, you will pull a lever, which will turn the room pitch black. The bowls will move and shuffle around. In the dark, you have to pick up one pearl from any bowl. Once you do that, the room will flood with lights again. If the peral you have in your hand is white, you will be allowed to live, but if the pearl you picked is black, the room will be filled with poisonous gas and you will die. How will divide the pearls to increase your chances of survival?

Prove that twice of ten is the same as twice of eleven.

If 21x = 79x, what is the value of x?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?