Correct
Explanation
Each word is coded by the number of different alphabets present in the word (no repetition). The number of different alphabets in "LETTERS" is 5.
Solve this puzzle
You have a cube made of 10x10x10 smaller cubes, for a total of 1000 smaller cubes. If you take off 1 layer of cubes, how many remain?
512 212 400 100