Good Riddles

Question: Mary Jane is stranded on a deserted island in the middle of a huge and deep lake. She cannot swim and all she has is two strings that are each one foot long. All of the boats that she would be able to use are docked at the shore 4 miles away from her. 2 hours later, she is on the shore of the lake. How did she get across the lake?

Question: When you don't have enough of me, you feel a kind of gloom. But when you are using me, it is time that you consume. What am I?

Question: I can't read the clock. What time is it, John?

Question: I can be found all around the world I can be stricken but not feel it Both the moon and the sun know who I am I can be seen twice a day and 730 times a year What am I?

Question: The shortest distance between two points is a straight line. A man walks a straight line 50 feet, in 50 seconds. It took him twice as long to walk the same line back. Why?