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

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?