Two trucks start from the opposite points of the main road, 300 km apart. The first truck runs for 50 km and takes a right turn, and then runs for 25 km. It then turns left and runs for another 50 km, and takes the direction back to reach the main road. In the meantime, due to a minor breakdown, the other truck has run only 75 km along the main road. What would be the distance between the two trucks at this point?
Correct answer is option 'B'. Can you explain this answer?