How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Why Wine Glass Stem is so long?

Which is heavier: a ton of bricks or a ton of feathers?

When it is alive we sing, when it is dead we clap our hands. What is it?

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?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What does below pictogram mean?

What is black when you buy it, red when you use it, and gray when you throw it away?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months