I am quite hot but become too cold if you remove the first two letters. What am I?

Why Aeroplane windows are round?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Why 1729 is a magic number? Answer Logically.

How many times can you subtract the number 5 from 25?

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

Can you tell a 3D object that has just two surfaces?

Identify The phrase in the picture.

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?