the average of 11 results is 60 . if the average of first 6 results is 58 and that of the last 6 is 63 , find the sixth result ?
Choose the correct choice
A) 50	B) 52	C) 65	D) 42	E) 66

Rationale: sixth result = 58 * 6 + 63 * 6 - 60 * 11 = 66 answer is e
Answer: E