Find the number of squares in the below-given picture.

Before Mount Everest was discovered, what was the highest mountain in the world?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What can you serve, but never eat?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?