What has no start, end, or centre?

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?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What do you think with the below Picture ?

Can you count the number of blocks in the picture below?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

Can you make a six-letter word using the letters N, A and B ?

I have teeth but i don't bite. Who Am I ?

Which is the smallest number that you can write using all the vowels exactly once?

If 1+9+8=1, what is 2+8+9?