Question

George walks from his house to his school at a speed of 4 km/h and reaches the school 10 minutes before the school starts. if he walkks from his house to his school at a speed of 3 km/h, he reaches the school 5 minutes after the school starts. What is the distance between his house and his school.​

Answer 1

Step-by-step explanation:

Let the distance be x km

Difference in timing=20 min= 1/3

$Difference in timing=20 min=31 hr</p><p></p><p>∴3x−4x=31</p><p></p><p>⇒4x−3x=4</p><p></p><p>⇒x=4 km</p><p></p><p>$