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?

Which is the smallest number that you can write using all the vowels exactly once?

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 mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

What is the centre of gravity?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

Can you identify the hidden rebus in the image below?