What is common among 11, 69, and 88?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

It belongs to you, but other people use it more than you do. What is it?

Can you solve the below geography rebus by decoding the below rebus ?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?