A numismatist collected coins worth $4 on a particular day. How many nickels did he collect on that day? (1) He collected 60 coins on that day. (2) He collected only nickels and dimes on that day.   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