Which country gets ill every time?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

With the help clues provided in the image, can you find the 5 digit key?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

How can you write nineteen in a manner that if we take out one, it becomes twenty?