Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Can you spot the man between the coffee bean in the picture below ?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

You need to move three matchsticks to form three squares. Can you do it?

Solve below rebus puzzle?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What is the coolest letter in the alphabet?

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 = ?