Dhoni bought 5 toys with the average cost of $10. If David also buys the sixth toy with the price of $ 16, what is the average (arithmetic mean) price of those 6 toys? Choose the correct choice from the following answers:
A) $ 10 B) $ 7 C) $ 8.5 D) $ 9 E) $ 11

Rationale: 5 toys - > total cost = 5 * avg cost = 5 * 10 = 50 sixth toy cost = 16 total cost for 6 toys = 50 + 16 = 66 am = 66 / 6 = 11 hence e
Answer: E