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Data Interpretation Problem I of IBPS PO V Prelims
Directions (1 5) : Study the table carefully and answer the given questions. Data related to number of candidates appeared and qualified in a competitive exam from 2 states during 5 years :
Years

State P

State Q
 
Number of appeared candidates

Percentage of appeared candidates who qualified

Number of appeared candidates

Percentage of appeared candidates who qualified
 
2006

450

60%



30%

2007

600

43%



45%

2008



60%

280

60%

2009

480

70%

550

50%

2010

380



400



NOTE : Few values are missing in the table (indicated by A candidate is expected to calculate the missing value, if it is required to answer the given question on the basis of given data and information.
 Out of the number of qualified candidates from State P in 2008, the respective ratio of male and female candidates is 11 : 7. If the number of female qualified candidates from State P in 2008 is 126, what is the number of appeared candidates (both male and female) from State P in 2008 ?
 630
 510
 570
 690
 540
 The number of appeared candidates from State Q increased by 100% from 2006 to 2007. If the total number of qualified candidates from State Q in 2006 and 2007 together is 408, what is the number of appeared candidates from State Q in 2006 ?
 What is the difference between the number of qualified candidates from State P in 2006 and that in 2007 ?
 12
 22
 14
 24
 16
 If the average number of qualified candidates from State Q in 2008, 2009 and 2010 is 210, what is the number of qualified candidates from State Q in 2010 ?
 191
 195
 183
 187
 179
 If the respective ratio between the number of qualified candidates from State P in 2009 and 20101s 14 : 9, what is the number of qualified candidates from State P in 2010 ?
 252
 207
 216
 234
 198
Data Interpretation Problem II of IBPS PO V Prelims
Directions (15) : Refer to the graph carefully and answer the given questions. Number of people who travelled from Dehradun to Almora by Trains A and B on 6 different days : The number of people who travelled by Train B on Friday is 20% more than the people who travelled by the same train on Thursday. What is the respective ratio between the number of people who travelled on Friday and those who travelled on Saturday by the same train ?
 4 : 5
 3 : 4
 5 : 6
 3 : 5
 1 : 4
 What is the difference between the total number of people who travelled by Train B on Monday and Tuesday together and the total number of people who travelled by Train A on Saturday and Sunday together ?
 200
 230
 210
 250
 240
 What is the average number of people travelling by Train A on Monday, Tuesday, Wednesday and Thursday ?
 220
 190
 205
 195
 210
 The number of people who travelled by Train A decreased by what percent from Saturday to Tuesday ?
 35
 40
 30
 42
 33
 The total number of people who travelled by both the given trains together on Sunday is approximately what percent more then the total number of people who travelled by both the given trains together on Wednesday ?
 128
 123
 142
 118
 135
Solutions :
Data Interpretation Problem I1.
Qualified female candidates from State P in 2008 = 126
Male : Female = 11 : 7
=> Qualified male candidates =(11/7) x 126 = 198
=> Total qualified candidates = 198 + 126 = 324
=> Number of candidates appeared at the exam = (326/60) x 100 = 540
2.
Let the number of candidates who appeared at the exam in 206 from state Q = x
=> Number of candidates who appeared in 2007 = 2x
Total qualified candidates who appeared in 2007 = 408
=> ((x x 30) / 100) + ((2x x 45) / 100) = 408
=> 30x + 90x = 40800
=> 120x = 40800
=> x =40800/120 = 340
3.
Qualified candidates from state P :
Year 2006 => ((450 x 60) / 100) = 270
Year 2007 => ((600 x 43) / 100) = 258
=> Required difference = 270  258 = 12
4.
Total qualified candidates from state Q in 2008, 2009 and 2010 = 3 x 210 = 630
Number of qualified candidates in 2008 and 2009
= ((280 x 60) / 100) + ((550 x 20) / 100) = 168 + 275 = 443
=> Number of qualified candidates in 2010 = 630  443 = 187
5.
Number of qualified candidates from state P in 2009 = ((480 x 70) / 100) = 336
Number of qualified candidates in 2010 = ((336/14) x 9) = 216
Data Interpretation Problem II
1.
People who travel by train B on Friday = ((200 x 120) / 100) = 240
=> Required ratio = 240 : 320 = 3 : 4
2.
Required difference
= (350 + 270)  (200 + 170)
= 620  370 = 250
3.
Required average
= (240 + 210 + 140 + 230) / 4 = 820 / 4 = 205
4.
Required percentage decrease = ((350 + 210) / 350) x 100
= 14000/350 = 40%
5.
People who travel by both trains :
Sunday => 270 + 310 = 580
Wednesday => 140 + 120 = 260
=> Required percent = ((580260)/260) x 100
= 32000/260
This is approximately equal to 123
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