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 = ?

Which five letter word can be added at the end of below word to form a
valid word?

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What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

Why is the Hole below a Lock?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

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

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?