Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

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

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

Replace the question mark with the correct number in the below-given picture?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.