A man travels at a speed of 30 kmph for 30% of his journey and at a speed of 80 kmph for the rest of his journey. Find his average speed throughout the journey.
A man travels at a speed of 30 kmph for 30% of his journey and at a speed of 80 kmph for the rest of his journey. Find his average speed throughout the journey. Correct Answer 65 kmph
The average speed of the man = (30 * 30 + 70 * 80) / 100 = (900 + 5600) / 100 = 6500 / 100 = 65 kmph