What's the best place to go shopping in the ocean?

What question can you never answer yes to?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

You bought me for dinner but never eat me. What am I?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

Find the smallest sentence with all the English alphabet.

I cannot talk, but I always reply when spoken to. What am I?