**A man cycles from P to Q, a distance of 30 km, in 2 hours 48 minutes. The road from P is a level road for 18 km and then it is uphill to Q. The mans average speed on the level road is 15 km/h. What is his average uphill speed (in km/h)?** A) 7.5 B) 12 C) 9 D) 10.5 Click Link for Answer