I found a lot of serious riddles and joke riddles in some books. Check it out:
1) What has 4 legs in the morning, 2 in the noon, 3 in the evening and 8 in the night
2) Feed me and I live. Give me to drink and I die. What am I?
3)If you break me, I'll not stop working. If you can touch me, my work is done. If you lose me, you must find me with a ring soon after. What am I?
4)Where may you find roads without carts, forests without trees, cities without houses?
5)I have a hundred legs but cannot stand, a long neck but no head; I eat the maid's life. What am I?
Some joke ones:
6)Why do people go to bed?
7) Removed by Linda as not very tasteful
8)What's the difference between a truckload of bowling balls and a truckload of dead woodchucks?
9)What's Irish and stays out in back of the house, even in the rain?
10)The big moron and the little moron were standing on the bridge over the River Send. The big moron fell off. How come the little moron didn't fall off, too?
WAIT FOR YOUR ANSWER

PS: about the joke one> remember there are joke> don't think so seriously or you will be

