Bar charts - Data Interpretation Questions and Answers

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If the income of Company Q in 2001 was 10% more than its income in 2000 and the Company had earned a profit of 20% in 2000, then its expenditure in 2000 (in million US $) was?

28.28

30.30

32.32

34.34

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Answer : Option B

Explanation :

Let the income of Company Q in 2001 = x million US $.

Then, income of Company in 2001 = [ $\frac { 110 } { 100 }$ X X ] million US $.

$\frac { 110 X} { 100 }$ = 40 X = [ $\frac { 400 } { 11 }$ ]

i.e., income of Company Q in 2000 [ $\frac { 400 } { 11 }$ ] million US $.

Let the expenditure of Company Q in 2000 be E million US $.

Then, 20 = [ $\frac { [(400/11) -E] } { E}$ X 100 [ %Profit = 20% ]

20 = [ $[\frac {400} { 11E } ]$ -1 ] x 100

E = $\frac { 400 } { 11 }$ x $\frac { 100 } { 120 }$ = 30.30

Expenditure of Company Q in 2000 = 30.30 million US $

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