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Directions (1-5): Study the following table carefully to answer the questions that follow: Number of flights (in hundreds) cancelled in...

# Data Interpretation and Data Analysis for Bank Tests , CAT , GMAT and GRE - Data Interpretation Tables 6

Directions (1-5): Study the following table carefully to answer the questions that follow:
Number of flights (in hundreds) cancelled in five different States during six different years
 Years States Punjab Haryana Rajasthan Assam West Bengal 2004 1.4 3.2 0.3 1.1 1.5 2005 1.3 4.1 0.7 0.8 2.1 2006 0.5 1.7 0.2 1.3 3.5 2007 2.7 2.6 1.8 2.7 4.3 2008 1.4 1.5 2.2 1.3 5.5 2009 2.7 1.3 2.1 1.4 6.0
(Bank Of India PO 2010)
1. What was the respective ratio between the number of flights cancelled in Rajasthan in the year 2006 and number of flights cancelled in West Bengal in the year 2009?
a)1 : 6           b) 15. : 2      c) 1: 30         d) 30: 7       e) None of these
Explanation :
Number of flights cancelled in Rajasthan in the year 2006 = 0.2 hundreds = 20
Number of flights cancelled in West Bengal in the year 2009 = 6 hundred = 600
Required ratio = 20: 600 = 1 : 30

2. What was the average number of flights canceled in all the states together in the year 2008?
a) 278           b) 232           c) 272           d) 238           e) None of these
Explanation :
Average number of flights cancelled in all the states together in the year 2008

= $\frac{(1.4+1.5+2.2+1.3+5.5)\,\times\,100}{5}$ =$\frac{1190}{5}$ = 238

3. What is the difference between the number of flights cancelled in Assam in the year 2007 and the total number of flights cancelled in Rajasthan in the years 2005, 2007 and 2008 together?
a) 200           b) 230           c) 210 d) 240 e) None of these
Explanation:
Number of flights cancelled in Assam in the year  2007 = 270
Number of flights cancelled in Rajasthan in the years  2005, 2007 and 2008
= (0.7 + 1.8 + 2.2) x  100
= 470
Required difference = (470 – 270) = 200

4.  In which state the number of flights cancelled continuously increased during the years 2004 to 2009?
a) Punjab      b) Haryana    c) Rajasthan  d) Assam       e) West Bengal
Explanation :
The number of flights cancelled continuously increased during the years 2004 to 2009 in West Bengal only

5. Number of flights cancelled in Haryana in the year 2004 was what percent of the total number of flights cancelled in Punjab over all the years together?
a) 12   b) 24   c) 36   d) 32   e) None of these
Explanation :
Number of flights cancelled in Haryana in the year  2004 =3.2 x 100 =320
Total number of flights cancelled in Punjab over all the years together
= (1.4 + 1.3 + 0.5 + 2.7 + 1.4 + 2.7)  x 100
= 1000

Required percentage = $\frac{320}{1000}$ x 100% = 32%

Directions (1-5): Study the following table carefully to answer the questions that follow:
Number of Employees Promoted to the Post of Manager in Six Different Banks Over the Years

 Bank L M N O P Q Year 2005 48 46 52 44 37 39 2006 50 47 50 32 44 46 2007 46 40 50 42 38 35 2008 38 48 36 51 35 39 2009 32 44 46 45 47 40 2010 52 39 47 41 48 40
(United Bank Of India PO 2010)
1. What is the average number of employees promoted by Bank O over all the years together?
a) 42.5          b) 39.5          c) 35            d) 42.549      e) 46
Explanation:  Average number of employees promoted by bank O over all the years together

= $\frac{ (44+ 32+ 42+51+45+41)}{6}$ = $\frac{255}{6}$ = 42.5

2. What is the total number of employees who got promoted in all the banks together in the year 2008?
a) 234           b) 243           c) 266                    d) 282           e) 247
Explanation:
Total  number of  employees  who got promoted in all the banks together in the year 2008
= ( 38 + 48 + 36 + 51 + 35 + 39) = 247

3. What is the percent increase in the number of employees promoted by Bank Q in 2006 from the previous year? (rounded off to two digits after decimal)
a) 16.23        b) 15.84        c) 17.95        d) 18.68        e) None of these
Explanation:
Number of employees promoted by bank Q in 2006 =46
Number of employees promoted by bank Q in 2005=39

Required percentage  = $\frac{46-39}{39}$   x 100% = $\frac{7}{39}$ x 100% =17.948  17.95%

4. Number of employees promoted by Bank P in the year 2009 forms approximately what percent  of the total number of employees promoted by all the banks together in that year?
a) 30   b) 9    c) 14   d) 19   e) 25
Explanation:
Total number of employees promoted by Bank P in the year 2009 = 48
Total number of employees promoted in 2009
= 32 + 44 + 46 + 45 + 48 + 40 = 255

Required percentage  = $\frac{48}{255}$ x 100% = 18.82% = 19% approximately

5.  What is the respective ratio of the total number of employees promoted by Bank M in the years 2006 and 2010 together to the total number of employees promoted by Bank L from the same years?
a)41 : 63       b) 43 : 51      c) 47 : 63      d) 45: 61      e) None of these