Directions (15): 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
Answer: C
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
Answer : D
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
= $\frac{(1.4+1.5+2.2+1.3+5.5)\,\times\,100}{5}$ =$\frac{1190}{5}$ = 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
Answer : E
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
Answer : E
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
Answer : D
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 (15): 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
Answer: A
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
Answer : E
Explanation:
Total number of employees who got promoted in all the banks together in
the year 2008
= ( 38 + 48 + 36 + 51 + 35 + 39) = 247
= ( 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
Answer: C
Explanation:
Number
of employees promoted by bank Q in 2006 =46
Number of
employees promoted by bank Q in 2005=39
Required percentage = $\frac{4639}{39}$
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
Answer : D
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
Answer : B
Explanation:
Total
number of employees promoted by Bank M in the years 2006 and 2010 = 47+39 = 86
Total
number of employees promoted by Bank L in the years 2006 and 2010 = 50+ 50 = 102
Required ratio = 86 : 102 = 43 : 51