Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

What Does this text mean:

important=important

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

What four weights can be used to balance from 1 to 30 pounds?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What is next number in the pattern below:

131 517 192 123 ?