Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

What has 88 keys?

Which alphabet is a part of our body?

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

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?