Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Count the number of triangles in the given picture.

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

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

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?