How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Replace the question mark with the number below given a simple math problem.

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)

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

How is a fly different from a mosquito?

What begins with T, ends with T, and has T in it?

Can you find the company name in the pictogram below?

It belongs to you, but other people use it more than you do. What is it?

Spot what is wrong here in below Picture?