Average (7)
1. Suresh drives his car to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/hr. What is his average speed for the whole journey ? 1. 32.5 km/hr. 2. 35 km/hr. 3. 37.5 km/hr 4. 40 km/hr 2. The average age of a husband and his […]