Discuss Forum

1. If x:y= 5:3, then (8x-5y) : (8x+5y)= ?

  • A. 3:12
  • B. 3:12
  • C. 3:12
  • D. 3:12

Answer: Option C

Explanation:

Hints: x/y = 5/3

8x/5y = 8 × 5/5 × 3

8x - 5y /8x + 5y = 40 - 15 / 40 + 15 = 25/58 = 5/11 = 5 : 11.

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.