Good Riddles

Question: If you have a rope around a soccer ball and the moon, which rope would have to increase in length more to create a one meter gap between the rope and the soccer ball/moon?

Question: Would you rather enter a pool with a man eating shark, or a pool with ten electric eels?

Question: What grows when it eats, but dies when it drinks?

Question: I'm 10 years old my brothers half my age now I'm 100 years old how old is my brother now?

Question: A pond with dimension of 6m by 3m wil be filled of water lilies at exactly 30 days. Each day the number of water lilies will be doubled. First day 1, second day 2 etc... On what day it will fill half of the pond?