I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Which flower has two lips?

Why is a river so rich ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

When is the top of a mountain similar to a savings account?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

I can write cow in 13 letters.

Can You?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

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

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?