Who always enjoys poor health?

What has one eye, but can’t see?

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

Why is it very easy to weigh a fish?

Do you know who was buried in John's tomb?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

What's the best place to go shopping in the ocean?

I cannot talk, but I always reply when spoken to. What am I?

What has lots of eyes, but can’t see?

If it took eight men ten hours to build a wall, how long would it take four men to build it?