Find the last number in the series below:

voN luJ yaM raM ---

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Can you find out the total number of triangles in the given figure?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

What has 13 hearts but no other organs?