Answer & Solution
                  
                 		Answer: Option C 
                    
                                            	Solution: 
                        Total number of male students in Mathematics and Economics
= 30 + 32
= 62
Total number of female students in Mathematics & Economics
= 20 + 34
= 54
∴ Required %
$$\eqalign{
& = \frac{62 - 54}{54} \times 100 \cr
& = \frac{8}{54} \times 100 \cr
& = \frac{400}{27}\% \cr
& = 14.8\% \text{ more} \cr} $$