A: He made a profit of 20 * 375 - 20 * 33 = Rs. 1675. So, his percentage profit is 1675 / 20000 = 5.6. The answer is (C).
Answer the following multiple choice question with options (a), (b), (c), (d), (e).
Q: John found that the average of 15 numbers is 40. If 10 is added to each number then the mean of the numbers is? Answer Choices: (a) 50 (b) 45 (c) 65 (d) 78 (e) 64 
A: The answer is (a). 

Answer the following multiple choice question with options (a), (b), (c), (d), (e).
Q: If a / b = 3/4 and 8a + 5b = 22,then find the value of a. Answer Choices: (a) 1/2 (b) 3/2 (c) 5/2 (d) 4/2 (e) 7/2 
A: The answer is (b). 

Answer the following multiple choice question with options (a), (b), (c), (d), (e).
Q: A person is traveling at 20 km/hr and reached his destiny in 2.5 hr then find the distance? Answer Choices: (a) 53 km (b) 55 km (c) 52 km (d) 60 km (e) 50 km 
A: The answer is (e). 

Answer the following multiple choice question with options (a), (b), (c), (d), (e).
Q: How many keystrokes are needed to type the numbers from 1 to 500? Answer Choices: (a) 1156 (b) 1392 (c) 1480 (d) 1562 (e) 1788 
A: The answer is (b).

Answer the following multiple choice question with options (a), (b), (c), (d), (e).
Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit? Answer Choices: A)3.5 B)4.5 C)5.6 D)6.5 E)None of these