Discuss Forum

1. If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of(z-x)?

  • A. 40
  • B. 40
  • C. 40
  • D. 40

Answer: Option A

Explanation:

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.