Sudhakar completed his journey from Amritsar to Jammu without stopping. Sudhakar covered 56 km of his journey with average speed of 28 km/hour. Find the average speed of car for the remaining 174 km, if his overall average speed was 46 km/hour.
1
25 km/hr
2
30 km/hr
3
40 km/hr
4
58 km/hr
5
None of these