As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is 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?

There is something which you can be arrested for attempting but not for successfully completing.

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?