Question

The average of twelve numbers is 42. The average of the last five numbers is 40, and that of the first four numbers is 44. The sixth number is 6 less than the fifth number and 5 less than the seventh number. The average of the sixth and seventh numbers is:

• A. 41.5
• B. 43.5
• C. 44.5
• D. 45.5

Answer 1

Answer: (A)