What is difference between average number of students M F who are fresher in college A and C togethe...........

Quantitative Aptitude(IBPS RRB PO) Data Table

Direction () : Read the data carefully & answer the following questions.
In the table, data regarding total number of students and total number of students with work experience in four colleges - A, B, C and D is given.

Note: Total no. of student = Number of student with work experience + Number of fresher students

What is difference between average number of students (M + F) who are fresher in college A and C together and the average number of students (M + F) who have work experience in college B and D together?

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Explanation:

average number of students (M+F) who are fresher in college A & C together = (144+160)/2= 152
average number of students (M+F) who have work experience in college B & D = (84+162)/2 = 123
required difference= 152- 123 = 29