Read the following question and decide which of the statements is/are sufficient to answer the question.Find the average size of the balls.Statements:There are 6 balls with radii 3 cm, 4 cm, 7 cm, 5 cm, 4 cm and 6 cm.The balls are red in colour.

• A. Only statement 2 is sufficient
• B. Both statements 1 and 2 are sufficient
• C. Only statement 1 is sufficient
• D. Either statement 1 or 2 is sufficient