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

Count the number of triangles in the below picture?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

There is one thing that goes round the house and also inside the house but never even share a brief touch. 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?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?