Can you count the number of triangles in the given figure?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Find the value of "?" in the ball picture Riddle below:

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What has one letter and starts with an E?

I have an eye but still cannot see.

Who am I?

Replace the question mark with the correct number.

A police officer was passing by when he saw a guy hiding. He walked up to him and genially asked, "What is your name?"

"Shut up!" the boy responded.

"Where are your manners?" asked the outraged police officer.

"Up that tree," said the boy discourteously, directing to a neighbouring tree.

You're looking for trouble, aren't you?" said the police officer.

"No, trouble is looking for me!" the boy answered solemnly.

Why is the boy behaving like this?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?