Harish runs faster than Suresh in a given length. To compare the Harish and Suresh in this the fundamental physical quantities involved are
Harish runs a certain distance faster than Suresh. Which fundamental physical quantity/quantities is/are measured for comparing their speeds?
Harish runs faster than Suresh to cover the same distance. Which fundamental physical quantity is used for comparing their speeds?
Harish ran a certain distance faster than Suresh. Which of the following fundamental physical quantity/quantities is/are useful for comparing their speeds?