Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you count the number of quadrilaterals in the picture below?

What you cannot hold but it is yours?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What does this rebus means ?