Indiranagar and Jayanagar are linked by the Outer Ring Road via Rajajinagar and by the 80 feet Road via Gandhinagar which is exactly midway between the two places as shown.Rajeev wants to travel from Indiranagar to Jayanagar and decides to try the 80 feet wide road. He leaves Indiranagar at 7.00 am and drives at a speed of 70 km/hr up to Gandhinagar. Due to major road repairs from Gandhinagar he is forced to reduce his speed to 30 km/hr and reaches Jayanagar at 12.00 noon. Just then he meets his friend Ravi. Ravi also traveled from Indiranagar but took the Outer Ring Road which was in excellent condition and maintained a speed of 110 km/hr throughout his journey.What is Rajiv's Average speed......?????

1) 42 km/h
2) 50 km/h
3) 62 km/h
4) 48 km/h
5) Can't be determined..........