John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

In the picture given below, can you find out which digit will take place of the question mark?

I look at you, you look at me, I raise my right, you raise your left. What am I?

If a wheel has 54 spokes, how many spaces are there between the spokes?

How many times can you subtract the number two from the number fifty?

Solve the mathematical equation in the picture below.