If you say my name, I will no longer exist. What am I?

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

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

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?

Count the number of triangles in the given picture.

Can it be possible to build a house that has all its four walls facing towards the South?

What demands an answer, but asks no questions

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.