Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Count the number of squares in the picture below.

I look at you, you look at me, I raise my right, you raise your left. What am I?

I have Rs.50 and I spend it in the way as below.

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?