40 students take a test which is graded out of 100 marks. What is the average score on the test? (1) Half the students score above 50 marks and the remaining score below 50 marks. (2) The sum of the scores of all the students taken together is 2000.   Statement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient.   Statement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient.   BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.   EACH statement ALONE is sufficient.   Statements (1) and (2) TOGETHER are NOT sufficient.   Hint Half-n-half Clue