You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

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?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?