What is the coolest letter in the alphabet?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

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

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

What does Alexander the Great and Winnie the Pooh have in common?