Can you make four (4) nines (9) equal 100?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is common among 11, 69, and 88?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

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?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.