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

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Do you know who was buried in John's tomb?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Replace the question mark with the correct number below.