Important D.I. Question For SBI - PO

Dear reader here we are providing some question on data interpretation which can be useful in your upcoming SBI � PO exam.

Direction (1-5): Study the following table carefully and answer the questions given below it.
Percentage of Marks Obtained by Various Students in Various Subjects in an Examination

1.    What is the overall approximate percentage obtained by C in the examination?
(1) 78                                 (2) 69                           (3) 75
(4) 71                                 (5) 65

2.    What is the difference in the marks obtained by B in English and Maths and the marks obtained by F in the same subjects?
(1) 24                                 (2) 17                           (3) 15
(4) 28                                 (5) None of these

3.     The marks obtained by E in Geography are what percent of the marks obtained by E in Hindi?
(1) 45                                 (2) 55                           (3) 50
(4) 60                                 (5) None of these

4.    What is the overall percentage obtained by D in History and Geography Together?
(1) 73.40                            (2) 72.80                      (3) 70.50
(4) 68.80                            (5) None of these

5.    What are the average marks obtained by all the students together in Science?

      (1) 77.16                            (2) 120.50                    (3)118
(4) 121                               (5) None of these

Direction (6-10): Study the following graph carefully and answer the questions given below it.

Profit earned by three companies over the years (in Rs crores)

 

6.    What was the average profit earned by all the three companies in the year 2008?
(1) Rs 300 crores              (2) Rs 400 crores        (3) Rs 350 crores
(4) Rs 300 crores              (5) None of these

7.    In which of the following years was the difference between profits earned by Company A and Company C the minimum?
(1) 2003                             (2) 2006                       (3) 2008
(4) 2009                             (5) None of these

8.    In which of the following years was the profit earned by all three companies together the highest?
(1) 2004                             (2) 2007                       (3) 2008
(4) 2009                             (5) None of these

9.    What was the approximate percentage increase in the profit earned by Company A from 2006 to 2007?
(1) 36                                 (2) 24                           (3) 40
(4) 20                                 (5) 54

10.  What was the difference between the profit earned by Company A in 2004 and profit earned by Company C in 2009?
(1) Rs 50 crores                (2) Rs 1 crore              (3) Rs 100 crores
(4) Rs 200 crores              (5) None of these

ANSWERS WITH EXPLANATION:

1.    (4)
Total marks obtained by C in the examination= 75% of 100 + 56% of 100 + 72% of 150 + 75% of  60 + 75% of 150 + 80% of 40
= 75+56+108+45+112.5+32=428.5
 Required percentage = (428.5/600)*100 � 71%

2.    (1)
Difference of marks obtained by B and F in English = 3% of 100 = 3
Difference of marks obtained by B and F in Maths = 14% of 150 = 21
Total difference = 21+3=24

3.    (3)
Required percentage = (75% of 40/60%of100)*100  = 50%

4.    (2)
Marks obtained by D in History= 80% of 60 = 48
Marks obtained by D in Geography= 62% of 40=24.8
Required percentage = [(48.7+24.8)/100]*100 = 72.80%

5.    (5)
Average marks obtained by all students in Science =150% of (82+85+72+80+68+90)/6
= 3/2*477/6 = 119.25

6.    (2)
Required average =(350+400+450)/3 = 1200/3 = 400 crore

7.    (2)
In 2006 the difference between profit earned by A and C is Rs 25 crores, which is the minimum.

8.    (4)
By viewing the graph only, it is the year 2009 for which the total profit earned by all the companies is maximum.

9.    (1)
Reqd. % increase =(100/275)*100 �36%

10.  (3)
Reqd. difference = 400-300 = Rs 100crores