Direction: The following pie charts show the Jistribution of students of graduate and 3ost-graduate levels in seven different institutes M, M P, Q, R, S and Tina town. Distribution of students at graduate and post-graduate levels in seven institutes M, N, P,Q, R, S, and T. Total number of students of graduate level = 27300 Total number of students of post-graduate level = 24700 Note: Pie charts are not drawn to scale. What is the ratio of the number of students at post-graduate level in institute S and the number of students studying at graduate level in institute Q?

• A.  \[13:19\]                            
• B.  \[21:13\]            
• C.         \[13:8\]              
• D.         \[19:13\]