A man goes to his office from his house at a speed of 4 km/h and returns at a speed of 2 km/h. If he takes 6 hours in going and coming, what is the distance between his house and office?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 8 km.
Formula used:
If the distance is same in both the direction, we have a kmph and b kmph going and returning speed
2 × Distance = [(2 × 4 × 2)/(4 + 2)] × 6 = 16 km
Distance between office and house = 16/2 = 8 km.