Riddle: If 4+2=26, 8+1=79 and 6+5=111. Then, what is 7+3?
Answer: 410.4+2=26 is because 4-2=2 and 4+2=6,so it is 26. Therefore, 7-3=4 and 7+3=10(410).
Riddle: My thunder comes before the lightning; My lightning comes before the clouds; My rain dries all the land it touches. What am I?
Answer: A volcano.
Riddle: Something very extraordinary happened on the 6th of May, 1978 at 12:34 a.m. What was it?
Answer: At that moment, the time and day could be written as: 12:34, 5/6/78.
Riddle: Find the four digit number in which the first digit is one fourth of the last digit, the second digit is 6 times the first digit, and the third digit is the second digit plus 3. What is it?
Answer: 1694.
Riddle: On my own, I am darkness, a black abyss. But, Life brings me light with its gentle kiss. I am quiet and cold, but warmth I can hold. Alongside beauties and wonders, sights to be told. My surface may be bare, this I'm aware. But, beautiful secrets I am eager to share. My mouth so large, I swallow you whole. To be in my belly is your goal. What may lie within can drive men to sin. Greed and desire, gluttony's kin. For some, I am fear. For others, hope. My perception shaped from life's scope. From the earth I have come, and forever will stay, even if parts of me crumble away. What am I?
Answer: A cave.

My tongue is long, my breath is strong, And yet I breed no strife; My voice you hear both far and near, And yet I have no life.

What am I?

Answer: A bell.
Riddle: Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
Answer: Eye glasses.
Riddle: White bird, featherless, flyin' out o' paradise, flyin' over sea and land, dyin' in my hand. What is it?
Answer: A snowflake!
Riddle: Find an English word which is singular, add an "s" and it becomes plural, and add another "s" it becomes singular again. What is it?
Answer: There are actually 3 correct answers: Caress. Princess. Brass.
Riddle: There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends. What is it?
Answer: Boxing.