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

What is the word or phrase?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I know a nine-letter word having only one vowel.
Do you ?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?