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

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

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?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

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

How can one talk without saying a single word?

By what process could you make a 'Tea-Table' into food?

How can you write nineteen in a manner that if we take out one, it becomes twenty?