Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

By what process could you make a 'Tea-Table' into food?

Solve the puzzle by telling what does below picture means.

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

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

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?