Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

How can you tell a raw egg from a hard-boiled egg?

There are five men, let's say Tarun Harish Lavesh, Manoj, and Manish. All of them have a dot mark on their forehead. They can't see the dots on their forehead but can see the ones on others. The owner of WHITE Dot is an honest person and will never lie, while the owner of BLACK Dot always tells the lie.

This is the statement from Tarun Harish Lavesh and Manish:
Tarun: 'I see 3 whites and 1 black'
Harish: 'I see 4 black'
Lavesh: 'I see 3 black and 1 white'
Manish: 'I see 4 white'

What colour is the dot on each of Tarun Harish Lavesh, Manoj, and Manish's forehead?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Replace the question mark with the number below given a simple math problem.

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

When does a USA Potato change its nationality?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?