Godown P was 315 km away from godown Q.

Truck A leaves godown P at an average speed of 63 km/h and travelled in the direction of godown Q.

Simultaneously, truck B leaves godown Q for godown P at an average speed of 42 km/h.

Calculate the distance that the two trucks would have travelled when they passed each other on the way.

Notes to student:

1. If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12