Data Interpretation for SBI PO 2017 – Previous year Questions
According to our analysis with SBI PO previous question papers, Mostly 90% of the questions in Quantitative Aptitude section are asking from Data Analysis and Data Interpretation part. If we concentrate and practice more DI problems. we can able to get high score in SBI PO Exams. They will ask easy to high level problems.
Data Interpretation
5 questions – easy
5 questions – easy but lengthy calculations.
5 questions to 10 – moderate level
5 to 8 questions – high level.
The number of questions varies in each level of toughness but, Every year we are getting easy to tough level. So friends, practice by planning yourself accordingly to get good score.
Directions (1 to 5 Questions): Study the following graph and answer the questions.
1) What is the total (approx) number of cars sold in the year 2013, if the growth rate in the total number of cars sold from 2012 to 2013 was same as that of 2011 to 2012?
(a) 23905
(b) 210978
(c) 24189.
(4) 26623
(5) 24659
Solution: Clue: Increase in number of sales from 2012 to 2013 is same as 2011 to 2012
Increase in sales from 2011 to 2012 = 21568 – 19231 =2337.
Increase in sales from 2012 to 2013 is 2337
Therefore, Sales in 2013 = 21568 + 2337 = 23905
2) In which of the following years the ratio of the number of Maruti cars sold to the total number of cars sold was lowest?
(a) 2011
(b) 2006
(c) 2009
(d) 2008
(e) 2010
Trick: Use approximations and guesswork for this question to save time
2006 -> 115: 27 => 11:3 ( In 2006, no. of manufacturing cars to sold Maruti cars is lowest comparing to other years).
2007 -> 126: 33 => 42: 11= 4: 1
2008 -> 140: 45 => 28: 9
2009 -> 150: 60 => 5: 2
2010 -> 170: 68
2011 -> 190: 70 => 19: 7
2012 -> 215: 99 =>2: 1
3) What was the approximate average number of cars sold (other than Maruti Cars) in a year, taking the data of all the years together?
(a) 11231
(b) 10317
(c) 10919
(d) 8778
(e) 12117
Explanation:
Sale of Cars Other than Maruthi Cars = Total car sales – Maruthi Car sales
8826 | 9299 | 9410 | 9313 | 10309 | 12031 | 11668
Average = (8826 + 9299 + 9410 + 9313 + 10309 + 12031 +11668)/ 7 = 61446/7 = 8778
4) The number of Maruthi cars sold in the years 2007, 2008 and 2009 is approximate what percent of the total number of all the cars sold in the years 2006, 2007, 2009, 2011 and 2012?
(a) 22%
(b) 25%
(c) 17%
(d) 29%
(e) 11%
Solution: Total no. of car sales (including Maruti cars) in 2006, 2007, 2009, 2011 and 2012 = (11526 + 12649 + 15313 + 19231 + 21568) = 80287.
Number of Maruthi cars sold in the years 2007, 2008 and 2009 = 13900.
Required Percentage = [13900/80287] * 100 = 17%
5) What is the ratio between the number of cars sold other than that of Maruti in 2011 to the total number of cars sold in 2006?
(a) 10: 26
(b) 10: 17
(c) 11: 4
(d) 11: 8
Solution:
Cars sold other than Maruthi cars in 2011 = (19231 -7200) = 12031
Cars sold other than Maruthi cars in 2006 = (11526 -2700) = 8826
Required Ratio = 12031 : 8826 =12000 : 8800 = 121 : 88 = 11: 8 (approximate)
Data Interpretation Previous year Questions for Practice
Practice Problem 2:
Study the following table carefully and answer the questions given below.
Number of students studying in different faculties in seven institutions.
Institution | FACULTY | ||||
Art | Commerce | Science | Engineering | Management | |
A B C D E F G |
125 96 144 165 215 184 225 |
187 152 235 138 196 212 206 |
216 198 110 245 287 195 182 |
98 157 164 66 86 112 138 |
74 147 127 36 66 97 89 |
1. What is the percentage of students studying science to the total number of students studying in the Institute G?
(a) 17.20
(b) 12.70
(c) 21 1/3
(d) 21 2/3
(e) None of these
Solution:
Total number of students studying in the Institute G = 225 + 206 + 182 + 138 + 89 = 840
The no. of students of Institute G studying Science = 182
Required percentage = [182/ 840] ×100 = 21.66 = 21 66/100 = 21 2/3 (approx..)
2. Out of the total students of the institute ‘D’ approximately. What percentage of students are studying management?
(a) 9
(b) 8
(c) 12
(d) 10
(e) 5
Solution: Total students of D = 165 + 138 + 245 + 66 + 36 = 647
Required percentage = [36/647]× 100 = 5.5
3. The total number of students studying art in institutes A, B and C together is approximately.
What percentage of total number of students studying commerce in institutes D, E, F and G together?
(a) 50
(b) 45
(c) 42
(d) 55
(e) 53
Number of Students studying Arts in institutes A, B and C = 125 + 96 + 144 = 365
Number of students studying commerce in institute D, E, F and G = 138 + 96 + 212 + 206
= 752.
Required percentage = [365/752]× 100 = 48.5%
4. What is the percentage of students studying Engineering in institute C to the total students of all institutions studying Engineering? (rounded to the nearest integer).
(a) 19
(b) 20
(c) 19
(d) 21
(e) None of these
Solution:
Total number of Engineering students in all institutes = 98 + 157 + 164 + 66 + 86 + 112 + 138 = 821
No. of Engineering Students in Instuitute C = 164
Required percentage = [164/821]× 100 = 20.97% = 21
5. In which institution, the percentage of students studying commerce to the total students of that institution is maximum?
(a) F
(b) G
(c) C
(d) A
(e) None of these.
Solution:
First, find the total students in each institute A, B, C, D, E, F and G. and then compare commerce students with that of total students.
Here,
The required percentage of C is maximum.