During which month do people sleep the least?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

Find the 8 in the below-given Image.

Find the hidden tiger in the given optical illusion ?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What work can one never finish?

How many times do a clock's hands overlap in a day ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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