SOLUTION:
The scientist’s office faced east, and the sun was coming in through the window at a very low angle.
He saw some very faint shadows on the surface of the envelope.
He looked closer. There were the words embossed on the paper. They read “Happy Birthday, Friend”.
The ex-boyfriend had forgotten that a pencil leaves an impression on paper beneath the page written on.
Advantages Of Riddles: Get A Conclusion
Why are riddles needed in life? A riddle is a problem that checks a person’s knowledge or mental skills. While solving a riddle, the solver has to put the pieces together logically to get the correct or fun answer for a question or riddle. You may question,” What the person gains by doing so?” The answer is very interesting. When he finds the answer, by logically putting the pieces, he will get better solving skills and memory power, which can improve himself. When you solve a riddle, you must notice different pieces and discover their place within the bigger picture. Solving this way might improve your visual-spatial reasoning.