This quiz works best with JavaScript enabled. Home > Unit V Mathematical Reasoning And Aptitude > Averages – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Averages Quiz 12 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sara's scored a 90.5 on her new test. The arithmetic mean of her last 5 scores was 69.5. What is her new average? A) 73. B) 75. C) 80. D) 79. Show Answer Correct Answer: A) 73. 2. Find the mean:10, 40, 25, 30, 15 A) 24. B) 5. C) 120. D) 30. Show Answer Correct Answer: A) 24. 3. The average of ages of father and his son is 27 years. After 18 years, father will be twice as old as his son. Their present ages are ..... A) 42, 12. B) 30, 24. C) 40, 14. D) 36, 18. Show Answer Correct Answer: A) 42, 12. 4. The mean of four numbers is 71.5. If three of the numbers are 58, 76, and 88, what is the value of the fourth number? A) 64. B) 55. C) 48. D) 60. Show Answer Correct Answer: A) 64. 5. What is the main precaution to consider when using arithmetic mean? A) It is always an accurate representation of the data. B) It is a qualitative measure of data. C) It is a complex calculation that is hard to understand. D) It is a theoretical value and may not be represented by actual fact. Show Answer Correct Answer: D) It is a theoretical value and may not be represented by actual fact. 6. Find the mean of the following cell phone usage per month: 445, 516, 618, 575, 288 A) 488.4. B) 484. C) 488. D) 487.5. Show Answer Correct Answer: A) 488.4. 7. What is the average score for India? A) 285.4. B) 258.4. C) 285.2. D) 285.3. Show Answer Correct Answer: A) 285.4. 8. A store sells three types of apples: type A, type B, and type C. The prices per pound are $ 1.50, $ 2.00, and $ 2.50 respectively. If the store sells 10 pounds of type A apples, 5 pounds of type B apples, and 3 pounds of type C apples, what is the weighted average price per pound? A) $ 1.75. B) $ 2.25. C) $ 3.00. D) $ 1.8056. Show Answer Correct Answer: D) $ 1.8056. 9. Nicholas, Yhandel, Marvin, and Jeremy went on a road trip. They spent $ 1,032 on fuel. They made eleven stops for fuel. On average, how much did they spend at each stop? A) Exactly $ 93. B) Between $ 93 and $ 93.50. C) Approximately $ 93.82. D) $ 94 for each person. Show Answer Correct Answer: C) Approximately $ 93.82. 10. A car travels 60 kilometers in one hour before a piston breaks, then travels at 30 kilometers per hour for the remaining 60 kilometers to its destination. What is its average speed in kilometers per hour for the entire trip? A) $20$. B) $40$. C) $45$. D) $50$. Show Answer Correct Answer: B) $40$. ← PreviousNext →Related QuizzesAverages Quiz 1Averages Quiz 2Averages Quiz 3Averages Quiz 4Averages Quiz 5Averages Quiz 6Averages Quiz 7Averages Quiz 8Averages Quiz 9Averages Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books