It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Count the number of triangles in the picture below:

What is the word or phrase below?
R | E | A | D

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

What is black when you buy it, red when you use it, and gray when you throw it away?