2, 3, 5, 9, 17, _ What is the next number in the sequence?

What is at the end of a rainbow?

In the Wild West, you are challenged into a death match by two bounty hunters nicknamed Golden Revolver (GR) and Killer Boots (KB). You accept the challenge. None of you want to waste any of the bullet and so a certain rules are laid down:

1) All of you will shoot in a given order till the last man standing.
2) Each of you shoots only once upon his turn.
3) If any one of you is injured, the other two will finish him off with an iron rod.
4) The worst shooter of all (which is you) shoots first and the best one shoots at the last.

Now, how will you plan things if you know that you hit every third shot of yours, KB hits every second shot and GR hits every shot ?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

Count the number of squares in the picture below.

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Count the Triangle in the figure given below:

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What can you hold in your right hand, but never in your left hand?