(i) Time taken by the car to travel 195 km = 3 hours
Time taken by it to travel 1 km = 3195 hours
Time taken by it to travel 520 km = 520×3195= 8 hours
(ii) Distance covered by the car in 3 hours = 195 km
Distance covered by it in 1 hour =1953= 65 km
Distance covered by it in 7 hours = 7 × 65 = 455 km