issb mathematics MCQ #539

Average of 10 numbers is 20. Sum?

issb mathematics MCQ #539

  1. Question 1

    Q1. Average of 10 numbers is 20. Sum?

    • A) 180
    • B) 190
    • C) 200
    • D) 210

    Answer: 200

    Explanation: Sum equals average times count so 20 times 10 is 200. Apply the same method to similar ISSB quantitative items.