What is the percentage increase or decrease in the number of seats won by A, B, C and D in the general elections of 2009 as compared to the results of 2004
Political Party Number of Seats Won Number of Seats Won
In 2004 in 2009
A 206 145
B 116 138
C 4 24
D 11 12
Solution:
Party A: % Decrease in the number of seats won from 2004 to 2009
= [(206  145)/206] × 100 = 29.61%
Party B: % Increase in the number of seats won from 2004 to 2009
= [(138  116)/116] × 100 = 18.97%
Party C: % Increase in the number of seats won from 2004 to 2009
= [(24  4)/4] × 100 = 500%
Party D: % Increase in the number of seats won from 2004 to 2009
= [(12  11)/11] × 100 = 9 1/9%
✦ Try This: What is the percentage increase or decrease in the number of seats won by A, B, C and D in the general elections of 2009 as compared to the results of 2004?
Political Party 
Number of Seats Won In 2004

Number of Seats Won In 2009 
A 
210 
155 
B 
120 
140 
C 
5 
25 
D 
12 
13 
Party A: % Decrease in the number of seats won from 2004 to 2009
= [(210  155)/206] × 100 = 26.19%
Party B: % Increase in the number of seats won from 2004 to 2009
= [(140  120)/120] × 100 = 16 2/3%
Party C: % Increase in the number of seats won from 2004 to 2009
= [(25  5)/5] × 100 = 400%
Party D: % Increase in the number of seats won from 2004 to 2009
= [(13  12)/13 × 100 = 7 9/13%
☛ Also Check: NCERT Solutions for Class 8 Maths
NCERT Exemplar Class 8 Maths Chapter 9 Problem 94
What is the percentage increase or decrease in the number of seats won by A, B, C and D in the general elections of 2009 as compared to the results of 2004. Political Party Number of Seats Won Number of Seats Won In 2004 in 2009 A 206 145 B 116 138 C 4 24 D 11 12
Summary:
The percentage increase or decrease in the number of seats won by A, B, C and D in the general elections of 2009 as compared to the results of 2004 are given: Party A: % Decrease = 29.61%, Party B: % Increase = 18.97%, Party C: % Increase = 500%, Party D: % Increase = 9 1/9%
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