Math Riddles

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?

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

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: What is half of 2+2?

Question: Two simple warriors: a vegetable and none. It depends on whether they work together to reduce infinity to one.