2 cow’s and 5 goats are brought for Rs.1050. If the average price of a goat be Rs.90. What is the average price of a cow.	Choose the correct choice from the following answers.
A) 300  B) 320  C) 330  D) 350  E) 375

Rationale: "explanation : average price of a goat = rs . 90 total price of 5 goats = 5 * 90 = rs . 450 but total price of 2 cows and 5 goats = rs . 1050 total price of 2 cows is = 1050 - 450 = 600 average price of a cow = 600 / 2 = rs . 300 answer : a"
Answer: A