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

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

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?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Which tank will fill first?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

How can you leave a room with two legs and return with six legs?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?