How is the moon similar to a dollar?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Why is the Hole below a Lock?

If 1+9+8=1, what is 2+8+9?

Which digit occurred maximum times between the number 1 and 1000?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

Count the number of triangles in the below picture?

What is wrong in the below Picture?