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

I have feet, but no legs. Which animal Am I?

No matter how little or how much you use me, you change me every month. What am I?

There is a place where if I stand up straight, I will still be considered sideways.

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

The more it dries, the wetter it becomes. Can you tell what it is?

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?