I’m tall when I’m young, and I’m short when I’m old. What am I?

You can see it everyday, But cannot touch it at will. What is it?

I am white when I am dirty, and black when I am clean. What am I?

Find the hidden panda in the image below.

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

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

Can you identify the hidden rebus in the image below?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

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?