If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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.

Can you place three balls such that the equation shown in the picture holds true?

How many Watermelons are there in the below picture?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Can you find a rabbit in the given picture?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

You need to arrange three 7 and mathematical symbols to form number 1?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?