What has 13 hearts but no other organs?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

What number when divided in half becomes zero?

Replace the question mark with the correct number in the below-given picture?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?