4 New Riddles!!!

6 More Riddles

There is an Island whose only inhabitants are Knights, Knaves, and Normals. The Knights always tell the truth, The Knaves always lie, and The Normals can either lie or tell the truth. Also, on this Island Knaves are considered the lowest rank, Normals are middle rank and Knights are of highest rank.

Riddle 1: Given two inhabitants of this Island A,B, that make the following statements:
A: I am of lower rank than B.
B: That’s not true!

Q1:What are the ranks of A and B?
Q2: Are their statements true?

Riddle 2: Given three inhabitants of this Island A,B,C, one of whom is a knight, one a knave and one normal. A,B, make the following statements:
A: B is of higher rank than C.
B: C is of higher rank than A.
Q: When C is asked, “Who has a higher rank, A or B?” What does C answer?

Riddle 3: A man was looking at a portrait . Someone asked him, “Whose picture are you looking at?” He replied, “ Brothers and sisters have I none, but this man’s father is my father’s son.” Whose picture is the man looking at?

Riddle 4: A man is 100 yards due south of a bear. He walks 100 yards due east, then faces due north, fires his gun due north and hits the bear. What color is the bear? How many different places besides the North pole on earth would these instructions result in hitting the bear? Explain?

Riddle 5:
To help with last weeks riddles try this similar one:
A girl was looking at a photo and she said, "Brothers and sisters? I have one and this man's father is my fathers son." Who was in the photo?

6. SUPER ADVANCED BONUS RIDDLE (YOU MAY GET HELP FOM PARENTS OR TEACHERS WITH THIS ONE. IT CAN BE PERFECTLY SOLVED WITH ONLY THE EXACT INFO THAT I PROVIDE):
"A Cylindrical hole six inches long has been drilled straight through the center of a solid sphere. What is the volume remaining in the sphere."
This may be soved with calculus, with the forlmulas for solid spheres and cylidrical holes, or just by insightful deductive reasoning. All the information you need to sove it is included, feel free to ask your math teachers ;-)