For example let us consider a person weighing 130 pounds performs typing for 1 hour, the number of calories burned is 85 per hours.
Doing the same activity for 10 hours means they have burnt 850 calories.
Lets consider another person weighing 205 pounds performs track and field, hurdles for 1 hour, the number of calories burnt for 1 hour is 940 hours.
So, A could be true.
The average of 130 and 205 is somewhere near 170 which is the middle of the line. However 180 is 0.6 of the line. So calculate the sum of both extremes and divide them with 0.5 and 0.6 respectively.
175 pound person playing jai alai for 1 hour burns – 937 calories
180 pound person swimming the butterfly stroke is – 999 calories
So, answer is A,B.
C is incorrect.
Average salary of one person playing tennis for 1 hour – 300 cal
Lets say, two people of 205 pounds are typing for hours. – 140*6 = 840