Riddle: I'm an object; good at drawing. I draws without using any drawing instrument, yet I can draw even better and faster than the world's best artist. But what I will draw won't stay permanent and what I draws may see me or not. What am I?
Answer: A mirror. Humans can see it but objects cannot.
The drawing object Riddle Meme with riddle and answer link.
Riddle: I am a word. My first four letters refer to a mark on a person's skin; three letters found in the middle refer to what all mathematics students know. My last four letters refer to a place where everyone love to be, and my whole is familiar to all economics students. I am an eight letter word. What am I?
Riddle: There are 55 marbles and 100 bags. You need to put every marble in a way that the 1st bag has 1 marbles, the 2nd bag has 2 marbles and so on. How many bags will you need to use 55 marbles?
Answer: 55 bags. Put a marble in the first bag then the bag goes in the second bag with 1 marble, making the second have 2 marbles. Repeat this until use 55 marbles, in total,the 55th bag has 55 marbles.