Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Can you spot the hidden girl in the picture below?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Before Mount Everest was discovered, what was the highest mountain in the world?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?