Discuss Forum

1. A student was asked to find the arithmetic mean of the numbers 3, 11. 7 .9, 15, 8, 19 ,17,14 and p. He found the mean to be 12. What should be the number in place of p?

  • A. 7
  • B. 7
  • C. 7
  • D. 7

Answer: Option C

Explanation:

Here,3+11+7+9+15+8+19+17+14+P10=12⇒103+P=120⇒p=17. (Ans)

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.