Who can jump higher than a Mountain?

What does below Rebus say?

XLR8

What has a ring but no finger?

Can you find the missing piece of the Porsche?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

They are three errirs in this question. Can you find them?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?