Two runners A and B start running at 12 km/hr and 16 km/hr towards each other. They meet after 1 hour and 30 minutes. How far (in km) were they from each other when they started?

Question

নিচের অপশন গুলা দেখুন

• 42
• 40
• 45
• 36

Answer 1

সঠিক উত্তর হচ্ছে: 42

ব্যাখ্যা: Since the runners are running towards each other, their speeds will be added
⇒ Relative speed = 28 km/hr
Time given = 1.5 hr
∴ Distance between them before starting = 28 × 1.5 = 42 km