Question

How much ahead of A is B when the motion starts?
What is the speed of B?
When and where will A catch B?
(iv) What
What is the difference between the speeds of A and b​

Answer 1

(1)B is ahead of A by 100km distance.

(2) speed= distance/time=150-100/2 =50/2=25 km/hr

(3)at point Q, A will catch B after 2 hours.

(4)speed of A=150/2=75km/hr

Therefore difference in speed of A and B is 75-25=50