Can you find out which number multiplied by itself will give the output as 12345678987654321?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

What breaks yet never falls, and what falls yet never breaks?

Our product and our sum always give the same answer. Who are we?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

When can we add 2 to 11 and get 1 as the correct answer?

What does this rebus puzzle means ?