This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

What always comes into a house through the keyhole?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Can you solve the maths in the below-given picture equation?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

A man dies of old age on his 25 birthday. How is this possible?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

What's a single-digit number with no value?