Discuss Forum

1. The effective speed of a boat travelling downstream is 20 kmph, whereas it is 10 kmph upstream. What is the speed of the stream current in kmph?

  • A. 3
  • B. 3
  • C. 3
  • D. 3

Answer: Option C

Explanation:

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.