Correct Answer - Option 2 : 350
Given:
|
Science |
Sociology |
Economics |
Total in College |
A |
250 |
200 |
400 |
850 |
B |
300 |
200 |
350 |
850 |
C |
200 |
400 |
150 |
750 |
D |
150 |
500 |
350 |
1000 |
Total in Seminar |
900 |
1300 |
1250 |
3450 |
Calculation:
Number of students attending Science seminar in all the colleges = 250 + 300 + 200 + 150 = 900
Number of students attending Economics seminar in all the colleges = 400 + 350 + 150 + 350 = 1250
∴ Required difference = 1250 - 900 = 350