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A man can walk at a speed of 5 km/h. If he walks in a direction opposite to the

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Question: A man can walk at a speed of 5 km/h. If he walks in a direction opposite to the wind blowing at 3 km/h, what is his effective speed?

Options:

  1. 2 km/h
  2. 5 km/h
  3. 8 km/h
  4. 3 km/h

Correct Answer: 8 km/h

Solution: 

Effective speed = speed of man + speed of wind = 5 + 3 = 8 km/h.

A man can walk at a speed of 5 km/h. If he walks in a direction opposite to the

Practice Questions

Q1
A man can walk at a speed of 5 km/h. If he walks in a direction opposite to the wind blowing at 3 km/h, what is his effective speed?
  1. 2 km/h
  2. 5 km/h
  3. 8 km/h
  4. 3 km/h

Questions & Step-by-Step Solutions

A man can walk at a speed of 5 km/h. If he walks in a direction opposite to the wind blowing at 3 km/h, what is his effective speed?
  • Step 1: Identify the speed of the man, which is 5 km/h.
  • Step 2: Identify the speed of the wind, which is 3 km/h.
  • Step 3: Since the man is walking in the opposite direction to the wind, we need to add the speed of the wind to the speed of the man.
  • Step 4: Calculate the effective speed by adding the man's speed and the wind's speed: 5 km/h + 3 km/h.
  • Step 5: The result of the addition is 8 km/h, which is the effective speed.
  • Relative Speed – Understanding how to calculate effective speed when two speeds are in opposite directions.
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