Data Interpretation Practice Test 2

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Directions (36-40): The graph shows the percentage of sale of six models of mobiles in 2011 and 2012 that was 44,440 and 57,680 respectively.
The percentage breakup of sale of six models in two years is shown in line graph below.
Study the graph and answer the questions given below.

Question : 37 of 90

Marks: +1, -0

By how much percentage is the increase in sales of Delta in comparison to from 2011 to 2012 that of Rho?

less by 44.2%
less by 50%
More by 35%
More 20%
less by 37.6%

Validate

Solution:

Sales of Delta in 2011

=16/100×44,440

={7,11,040}/100

Sales of Delta in 2012

=16/100×57,680={9,22,800}/100

Percentage increase in sales

={{{9,22,800}/100-{7,11,040}/100 }/ {{7,11,040}/100} }×100

= 29.79%
Sales of Rho in 2011

=22/100×44,440= {97,768}/100

Sales of Rho in 2012

=26/100×57,680 ={ 1,49,968}/100

Percentage increase in sales

={ { 1,49,968}/100 - {97,768}/100}/{ {97,768}/100}×100

=53.39%

Required percentage

= { 29.79 -53.39}/53.39×100

= Decrease by 44.2%

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