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Data Analysis (Part - 7) For SBI PO

Published on Sunday, July 10, 2016

Study the following information carefully and answer the questions given below :

There are a certain number of students who appeared exams conducted in different subjects UPSC , BANK and SSC . All of them have cleared at least one exam . 39.4% students cleared UPSC exam , 41.4% students cleared BANK exam and 53.6% students cleared SSC . 8% students cleared only
UPSC and BANK , 7% students cleared only BANK and SSC exam and 9.8% students cleared only UPSC and SSC Exams . If total number of students in the group is 500.

1. How many students cleared all 3 examinations ?
1.16
2.14
3.32
4.48
5.36

2.What is the percentage of students who cleared the only UPSC examination ?
1.14.6%
2.16.8%
3.18%
4.24%
5.12.4%

3.How many students are there who cleared at least two examination ?
1.142
2.136
3.132
4.128
5.148

4.What is the % of students who cleared the examination BANK but couldn't SSC ?
1.29.6%
2.28.4%
3.27%
4.21.6%
5.23.4%

5.How many students are there who cleared at most one exam conducted by these three exams ?
1.204
2.168
3.308
4.352
5.376


Solutions and Answers :


Solution : 

No.of students cleared UPSC = 197
No.of students cleared BANK = 207
No.of students cleared SSC  =268

No.of students only cleared UPSC = X
No.of students only cleared BANK = Y
No.of students only cleared SSC   = Z
No.of students cleared all 3 exams = K

No.of students cleared UPSC and BANK = 40
No.of students cleared UPSC and SSC = 49
No.of students cleared BANK and SSC = 35

X+K = 197-(40+49) = 108
Y+K = 207-(40+35) = 132
Z + K = 268 - ( 49+35) = 184

X+Y+Z+K = 500 - (40+49+35)= 376

From above equations 

X=84 ; Y =108 ; Z = 160 ; K = 24


Answers : 

1.2

K=24

2.2

Only UPSC = 84
Total no.of students = 500

% of only UPSC cleared = 84*100/500 = 16.8%


3.5

Who cleared at least two examination = 40+49+35+24=148

4. 1

who cleared BANK ,but not SSC = 148*100/500 = 29.6%


5. 4

= 84+108+160+160=352





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