Question 7
a) Aman can run a distance of 100m in 20 seconds. Find the speed of Aman in m/s.
b) Suraj drives first 120 km in 2 hours and next 180 km in next 4 hours. What is his average speed for the entire trip in km per hour?
c) A boy walks at a speed of 4km/h. How much time does he take to walk a distance of 20km?
Answer entry: Enter numerical answers to (a), (b), (c), in that order, separated by semicolons; use m/s, km/h and hours respectively, without typing unit labels.
**Editorial input note:** Use no spaces before or after semicolons.
b) Suraj drives first 120 km in 2 hours and next 180 km in next 4 hours. What is his average speed for the entire trip in km per hour?
c) A boy walks at a speed of 4km/h. How much time does he take to walk a distance of 20km?
Answer entry: Enter numerical answers to (a), (b), (c), in that order, separated by semicolons; use m/s, km/h and hours respectively, without typing unit labels.
**Editorial input note:** Use no spaces before or after semicolons.