I am an odd number. Take away a letter and I become even. What number am I?

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

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

The dirtier I get, the whiter I look. Who am I?