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

Why is the Hole below a Lock?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

In which direction should the missing arrow point?

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

What goes up but never comes down?