Correct Answer - Option 4 : 8 minutes
Formula used:
Speed = Distance/ Time
Calculation:
Difference between distance covered in an hour = 60 – 52
⇒ Difference between distance covered in an hour = 8 km
⇒ Time in which bus stops per hour = 8/ 60 hour
⇒ Time in minutes = (8/ 60) × 60
⇒ Time in minutes = 8 minutes
∴ Bike stops for 8 minutes