How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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

Can you find out the missing number in the grid?

What is the difference between a jeweller and a jailer?

Find the 8 in the below-given Image.

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?