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

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

Can you tell a 3D object that has just two surfaces?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

how come the second man dies?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

With the help clues provided in the image, can you find the 5 digit key?

How can you drop a raw egg from a height onto a concrete floor without cracking it?