What was the difference between the average exports of th...
Study the following line graph and answer the questions.
Exports from Three Companies Over the Years (in Rs. crore)
What was the difference between the average exports of the three Companies in 1993 and the average exports in 1998?
Rs. 15.33 crores
Rs. 18.67 crores
Rs. 20 crores
Rs. 22.17 crores
Correct answer is C
Average exports of the three Companies X, Y and Z in 1993
= Rs. [ 1/3 x (30 + 80 + 60) ] crores = Rs. ( 170/3 ) crores
Average exports of the three Companies X, Y and Z in 1998
= Rs. [ 1/3 x (50 + 100 + 80) ] crores = Rs. ( 230/3 ) crores
Difference = Rs. [ ( 230/3 ) - ( 170/3 ) ] crores
= Rs. ( 60/3 ) crores
= Rs. 20 crores
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