Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What does does this rebus picture means ?

Which alphabet is a part of our body?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Replace the question mark with the correct number in below Picture:

John is the son of Jacob.
So,
Jacob is the_____of John's father?