Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

What do you answer even though it never asks you questions?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

In the image given, you can find several triangles. Can you count them all?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?