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May 27, 2014

Data Interpretation Online Practice Tests for SBI PO 2014 - Tables 2

11 comments

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Dear SBI PO Aspirants, as you know we have been posting complete study material and practice tests of Data Interpretation section for upcoming SBI PO Online Exam 2014.  We've already completed the Introduction part. Today we shall work with a Table example problem.  Before taking this test, read the basics of Data Interpretation from below links. Happy Reading :)
 Study the following table carefully and answer the questions given below it

Percentages of Marks obtained by Six students in Six different subjects
Subject
Psychology
(150)
Sociology
(120)
Economics
(80)
Philosophy
(75)
Statistics
(125)
Geology
(60)
Student
A
72
65
85
65
88
72
B
68
58
74
70
78
54
C
63
73
69
57
68
65
D
56
65
77
61
75
67
E
78
55
82
76
59
74
F
84
70
64
78
82
80
Note : Figures written in bracket under each subject indicate the maximum marks allotted for that subject

1. What is the difference between the total marks obtained by A in Psychology and Statistics together and the total marks obtained by F in these two subjects together ?
Solution :
Marks obtained by A :
In Psychology = 150 x (72/100) = 108

In Statistics = 88 x (125/100) = 110

So, total = 108 + 110 = 218

Marks obtained by F

In Psychology = (84x150) / 100 = 126

In Statistics = (82 x 125) / 100 = 102.50

So, Total = 126 + 102.50 = 228.50

So, Required difference = 228.50 - 218  = 10.5


2. What is the average percentage of Marks obtained by six students in Sociology ?
Solution :

Required average =  (65 + 58 + 73 + 65 + 55 + 70) / 6 
= 386/6  = 193/3

3.  What are the average marks obtained by the six students in Philosophy out of 75 ?
Solution :

Marks obtained by :
A = (65 x 75) / 100 = 48.75

B = (70 x 75) / 100 = 52.50

C = (57 x 75) / 100 = 42.75

D = (61 x 75) / 100 = 45.75

E = (76 x 75) / 100 = 57

F = (78 x 75) / 100 = 58.50

So, Required average = (48.75 + 52.50 + 42.75 + 45.75 + 57 + 58.50) / 6

= 305.25 / 6   = 50.875


4. What are the total marks obtained by 'A' in Psychology. Economics and Geology together ?
Solution :
Marks obtained by A :
in Psychology = (72 x 150) / 100 = 108

in Economics = (85 x 80) / 100 = 68

in Geology = (72 x 60) / 100 = 43.2

So, Total = 108 + 68 + 43.2  = 219.2

5. Approximately what is the overall percentage of marks obtained by 'C' in all the subjects together ?
Solution :

We can determine the average of percentage 
So, overall percentage = (63 + 73 + 69 + 57 + 68 + 65) / 6

= 395 / 6 = 65.8  = 66%

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11 comments:

  1. Mam when will you provide current affairs booklet for sbi po??

    ReplyDelete
  2. Useful one thanks a lot for sharing with us friend....

    ReplyDelete
  3. sir/mam if possible plz provide pdf file of genaral awareness of upcoming postal assistants/ssc exams as soon as possible.

    ReplyDelete
  4. Q.5 should be solved as follows
    total max. marks= 610
    marks obtain by C in all subjects=(150*63%+120*73%+80*69%+75*57%+125*68%+60*65%)=404.05

    %age marks =(404.05/610)*100=66.23

    ReplyDelete
  5. mam my name is rekha goswami. i have sent a mail to you at gr8ambitionz@gmail.com.can u plz resolve my query..

    ReplyDelete
  6. Good one..thnx for posting good di questions..keep posting.

    ReplyDelete
  7. ibps clerk 3 ap general cutoff is 63.60 i got 63.40 iam in reserve list is there any chance for me in next round of allotment

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  8. Kindly Upload some pdf related to DI...

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  9. This comment has been removed by the author.

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  10. hello ,ma'am good afternoon,plz let me know which publisher book is good for previous year bank po papers for practise.thanku

    ReplyDelete

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