Question

What is the difference between the average number of schools redeveloped and the number of schools destroyed in all the states together?

A 112 Correct Answer Incorrect Answer
B 141 Correct Answer Incorrect Answer
C 123 Correct Answer Incorrect Answer
D 130 Correct Answer Incorrect Answer

Solution

Average number of schools redeveloped in all the states together = (200+300+400+300+350)/5 = 310 Average number of schools destroyed in all the states together = (250+200+150+200+100)/5 = 180 Required difference = 310 – 180 = 130

Practice Next
×
×