What's the only room from which no one can enter or leave

We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

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?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

O_er_t_o_

Complete the missing letters of the given word.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What does below rebus means ?