How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Replace the question mark in the picture below.

Which city is three-fifths chick two third cat and 50% goat?

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

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Solve the mathematical equation in the picture below.