- A7.5
- B6
- C8
- D9
Step-by-Step Solution
The time difference is 15 minutes = 1/4 hour. d/5 − d/6 = 1/4 → d/30 = 1/4 → d = 7.5 km.
Answer: A) 7.5
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Ratio, Percentage & Commercial Math practice questions