Question : A class is divided into 3 equal groups and the class is given 5 tests in Maths. The average score of the groups and tests is given below. The average score of the entire class in Test II is:
Average scores of the groups in the first five Mental Maths tests
Option 1: 13
Option 2: 13.5
Option 3: 10
Option 4: 12.5
Don't Miss: Month-wise Current Affairs | Upcoming Government Exams
Correct Answer: 12.5
Solution :
According to given graph in question,
Sum of marks in class test II = 10 + 12.5 + 15
Total number of groups = 3
$\therefore$ Average marks = $\frac{10 + 12.5 + 15}{3}$ = $\frac{37.5}{3}$ = 12.5
Hence, the correct answer is 12.5.
Related Questions
Know More about
Staff Selection Commission Multi Tasking ...
Answer Key | Cutoff | Selection Process | Preparation Tips | Eligibility | Application | Exam Pattern
Get Updates BrochureYour Staff Selection Commission Multi Tasking Staff Exam brochure has been successfully mailed to your registered email id “”.




