When my father was 31 I was 8. Now he is twice as old as me. How old am I?

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

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you write down eight eights so that they add up to one thousand?

Find the hidden panda in the image below.