R

Rohan Raj • 6.53K Points
Tutor III Math

Q. A and B are 20 km apart. A can walk at an average speed of 4 km/hr and B at 6 km/h. If they start walking towards each other at 7:000 am, when they will meet?

  • (A) 8:00 am
  • (B) 8:30 am
  • (C) 9:00 am
  • (D) 10:00 am
  • Correct Answer - Option(C)
  • Views: 387
  • Filed under category Math
Explanation by: Rohan Raj
Suppose they will meet after T hours.
Distance = Speed x Time
Sum of distance traveled by them after T hours
6T + 4T = 20 km
T = 2 hours.
So they will meet at 7:00 AM + 2 hours = 9:00 AM

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