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

A charming young lady was approached by a kind looking old woman in a restaurant. The old woman said to her, 'You look exactly like my younger daughter. Sadly she passed away a couple of months back. Could you do me a favor and say 'Goodbye, mother' with a kind smile on your face when I leave?

The young lady agreed for the same and said, 'Goodbye, mother' when the old woman left. Soon after, she got the most disengaging shock of her life.

Can you guess what the shock was?

Move four matchsticks to the below square to form three squares?

Find the smallest sentence with all the English alphabet.

There is a place where if I stand up straight, I will still be considered sideways.

What is common among 11, 69, and 88?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

What is next number in the pattern below:

131 517 192 123 ?

Who has married many women but was never married?

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?