Eight of us go fourth, not back, to protect our king from an attack. What are we?

What does a man do only once in his lifetime, but women do once a year after they are 29?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What English word has three consecutive double letters?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

What number do you get when you multiply all of the numbers on a telephone's number pad?