Introduction to Data Interpretation
Direction: The following bar diagram shows the percentage of Hindus, Sikhs and Muslims in a state during the years from 2004 to 2007. Examine the bar diagram and answer the following questions.
 If the total population of the state in 2005 was 5 million, then the Hindu population was [1 million = 10,00,000]

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On the basis of given graph in question ,
Total population of the state in 2005 = 5 million
Percent of the Hindu population in 2005 = 35%
The Hindu population in 2005 = 35% of 5 millionCorrect Option: D
On the basis of given graph in question ,
Total population of the state in 2005 = 5 million
Percent of the Hindu population in 2005 = 35%
The Hindu population in 2005 = 35% of 5 millionHindus = 5000000 × 35 = 1750000 100
Direction: Study the following graph carefully and answer the questions given below it.
 The average production of 1990 and 1991 was exactly equal to the average production of which of the following pairs of years?

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As per given graph in question,
The average production of 1990 and 1991 = (40 + 60)/2 = 100/2 = 50
try to solve all given option one by one.Correct Option: E
As per given graph in question,
The average production of 1990 and 1991 = (40 + 60)/2 = 100/2 = 50
The average production of 1991 = 60
Solve one by one option.
(A) The average production of 1991 and 1992 = (60 + 45)/2 = 105/2 = 52.5
(B) The average production of 1992 and 1994 = (45 + 50)/2 = 95/2 = 47.5
(C) The average production of 1993 and 1994 = (65 + 50)/2 = 115/2 = 57.5
(D) The average production of 1994 and 1995 = (50 + 75)/2 = 125/2 = 62.5
All the given option doesn't have average production of 50. So answer will be none of these.
 What was the difference in the production of foodgrains between 1991 and 1994?

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Difference in the production of foodgrains between 1991 and 1994 = Production of foodgrains in 1991  Production of foodgrains in 1994
Correct Option: A
Difference in the production of foodgrains between 1991 and 1994 = Production of foodgrains in 1991  Production of foodgrains in 1994
Put the value by seeing the graph
Difference in the production of foodgrains between 1991 and 1994 = ( 60 − 50 ) x 1000 = 10 x 1000 = 10,000
 In which of the following years was the percentage increase in production from the previous year the maximum among the given years?

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Check given option one by one.
Option (A),
Percentage increase in production in 1991 = {(Production in 1991  Production in 1990)} x 100 % / Production in 1990
Percentage increase in production in 1991 = {( 60  40 )} x 100 % / 40
Percentage increase in production in 1991 = 20 x 100 % / 40
Percentage increase in production in 1991 = 100 % / 2 = 50 %Correct Option: D
Check given option one by one.
Option (A),
Percentage increase in production in 1991 = {(Production in 1991  Production in 1990)} x 100 % / Production in 1990
Percentage increase in production in 1991 = {( 60  40 )} x 100 % / 40
Percentage increase in production in 1991 = 20 x 100 % / 40
Percentage increase in production in 1991 = 100 % / 2 = 50 %
Option (B)
Percentage increase in production in 1993 = {( Production in 1993  Production in 1992 )} x 100 % / Production in 1992
Percentage increase in production in 1993 = {( 65  45 )} x 100 % / 45
Percentage increase in production in 1993 = 20 x 100 % / 45
Percentage increase in production in 1993 = 4 x 100 % / 9 = 400/9 = 44.44 %
Option (C)
Percentage increase in production in 1995 = {( Production in 1995  Production in 1994 )} x 100 % / Production in 1994
Percentage increase in production in 1995 = {( 75  50 )} x 100 % / 50
Percentage increase in production in 1995 = 25 x 100 % / 50
Percentage increase in production in 1995 = 100 % / 2 =50 %
Option (D)
Percentage increase in production in 1990 = {( Production in 1990  Production in 1989 )} x 100 % / Production in 1989
Percentage increase in production in 1990 = {( 40  25)} x 100 % / 25
Percentage increase in production in 1990 = 15 x 100 % / 25
Percentage increase in production in 1990 = 15 x 4 % = 60 %
 What was the percentage drop in the production of foodgrains from 1991 to 1992?

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Required percentage drop = Percentage decrease in production in 1991 to 1992 = {(Production in 1992  Production in 1991)} x 100 % / Production in 1991
Correct Option: C
Required percentage drop = Percentage decrease in production in 1991 to 1992 = {( Production in 1992  Production in 1991 )} x 100 % / Production in 1991
= 60  45 X 100 = 25 % 60