Question

a bus running 30 miles per hour speed leaves for saharanpur from aligarh at 9 o'clock. A car with 40 miles per hour speed also leaves for saharanpur from aligarh at 10 o'clock.After how many miles will the car be catching the bus?

Answer 1

at 10am bus is 30 mile ahead of car
so car will take 30/(40-30)=3 hrs to overtake bus