"WRITE ONE WORD ONLY"
ONE WORD ONLY means your answer should only consist of a single word.
Example:
Question: How many fingers are there in one human hand?
Answer 1: five (one word answer) Correct
Answer 2: 5 (5 is a number, not a word) Incorrect
Answer 3: five fingers (two words) Incorrect
Answer 4: 5 fingers (one number and one word) Incorrect
"WRITE ONE WORD AND/OR A NUMBER"
ONE WORD AND/OR A NUMBER means that you can use a single word, a single number, or a single word and a single number.
Example:
Question: How many years make a decade?
Answer 1: ten (one word answer) Correct
Answer 2: 10 (one number) Correct
Answer 3: 10 years (one number and one word) Correct
"WRITE NO MORE THAN TWO WORDS"
NO MORE THAN TWO WORDS means you can write either one word or two words as an answer but not more than that.
Example:
Question: In which direction does the sun rise?
Answer 1: east (you cannot write more than two words, but less than two words is allowed) Correct
Answer 2: the east (two words) Correct
Answer 3: in the east (three words) Incorrect
"WRITE MORE THAN TWO WORDS AND/OR A NUMBER"
NO MORE THAN TWO WORDS AND/OR A NUMBER means:just one number,just one word,two words,one number and one word,one number and two words.
Example:
Question: When is Valentine’s Day celebrated?
Answer: 14th of February (“14” is one number, “of” and “February” are two words) Correct