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

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

If an electric train is travelling south, then which way is the smoke going?

I have branches, but no fruit, trunk or leaves. What am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?