Replace the question mark with the correct number.

How do you go from 98 to 720 using just one letter?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

If 1+9+8=1, what is 2+8+9?

Be active and find the killer in the picture Riddle below.

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

What has many keys but can’t open a single lock?

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 ?

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

> Pin
> Check
> Boiling
> View