Task: Question Answering
Input (English): Problem: rajat , vikas and abhishek are submitting questions in the ratio 7 : 3 : 2 . if total number of questions submitted by them is 24 . find the number of questions submitted by vikas . 
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7
Output (English): d