A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Using Only Five 5's and any mathematical operator make sum as 37

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Why 1729 is a magic number? Answer Logically.

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

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 = ?