Two cities X and Y are connected by a regular bus service with a bus leaving in either direction every T min. A girl is driving scooty with a speed of 60 km/h in the direction X to Y notices that a bus goes past her every 30 minutes in the direction of her motion, and every 10 minutes in the opposite direction. Choose the correct option for the period T of the bus service and the speed (assumed constant) of the buses.
A.
15 min, 120 km/h
B.
9 min, 40 km/h
C.
25 min, 100 km/h
D.
10 min, 90 km/h
Show answer
Correct option: A
[NEET 2025]
Practise Kinematics the way it is asked
A timed set of real NEET Kinematics questions, graded as the exam grades. No sign-up.