issb mathematics MCQ #693

Average of 10 numbers is 25. Sum?

issb mathematics MCQ #693

  1. Question 1

    Q1. Average of 10 numbers is 25. Sum?

    • A) 230
    • B) 240
    • C) 250
    • D) 260

    Answer: 250

    Explanation: Sum equals average times count so 25 times 10 is 250. Work each step carefully; ISSB math rewards accuracy under time pressure.