The following pie-charts show the distribution of students of graduate and post-graduate levels in seven different institutes in a town.

Distribution of students at graduate and post-graduate levels in seven institutes:

1. 

What is the total number of graduate and post-graduate level students is institute R?

A. 8320
B.

7916

C.

9116

D.

8099


2. 

What is the ratio between the number of students studying at post-graduate and graduate levels respectively from institute S?

A. 14 : 19
B.

19 : 21

C.

17 : 21

D.

19 : 14


3. 

How many students of institutes of M and S are studying at graduate level?

A. 7516
B.

8463

C.

9127

D.

9404


4. 

What is the ratio between the number of students studying at post-graduate level from institutes S and the number of students studying at graduate level from institute Q?

A. 13 : 19
B.

21 : 13

C.

13 : 8

D.

19 : 13


5. 

Total number of students studying at post-graduate level from institutes N and P is

A. 5601
B.

5944

C.

6669

D.

8372