Data Interpretation - Pie Charts

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

Answer: Option D

Explanation:

Required number = (17% of 27300) + (14% of 24700)
= 4641 + 3458
= 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

Answer: Option D

Explanation:

Required ratio = (21% of 24700) = (21 x 24700) = 19 .
(14% of 27300) 14 x 27300 14


3. 

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

A. 7516
B. 8463
C. 9127
D. 9404

Answer: Option B

Explanation:

Students of institute M at graduate level= 17% of 27300 = 4641.

Students of institute S at graduate level = 14% of 27300 = 3822.

Therefore Total number of students at graduate in institutes M and S = (4641 + 3822)
= 8463.


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

Answer: Option D

Explanation:

Required ratio = (21% of 24700) = (21 x 24700) = 19 .
(13% of 27300) 13 x 27300 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

Answer: Option C

Explanation:

Required number = (15% of 24700) + (12% of 24700)
= 3705 + 2964
= 6669.