What is next number in the pattern below:

131 517 192 123 ?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

What does the below rebus riddle means?

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?

When it is alive we sing, when it is dead we clap our hands. What is it?

What is both possible and impossible at the same time?

Can you solve the maths in the below-given picture equation?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

What is more useful when it is broken?