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

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you tell a 3D object that has just two surfaces?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

Can you write down eight eights so that they add up to one thousand?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

In which direction should the missing arrow point?