Bar charts - Data Interpretation Questions and Answers

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What percent of the average sales of branches B1, B2 and B3 in 2001 is the average sales of branches B1, B3 and B6 in 2000?

75%

77.5%

82.5%

87.5%

Answer : Option D

Explanation :

Average sales (in thousand number) of branches B1, B3 and B6 in 2000

= $\frac { 1 } { 3 }$ x ( 80+95+70)= [ $\frac { 245 } { 3 }$ ]

Average sales (in thousand number) of branches B1, B2 and B3 in 2001

= $\frac { 1 } { 3 }$ x (105+65+110)= [ $\frac { 280 } { 3 }$ ]

Required percentage = [ $\frac { 245/3 } { 2 80/3}$ x 100 ] % = [ $\frac { 240 } { 280 }$ x 100 ] % = 87.5%

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