What country can make you shiver?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

You need to remove two matchsticks to make the below equation true. Can you do it ?

What do you see in the image below

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What is the last thing you take off before bed?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?