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Bar Charts - General Aptitude

Out of the two bar graphs provided below, one shows the amounts (in Lakh Rs.) invested by a Company in purchasing raw materials over the years and the other shows the values (in Lakh Rs.) of finished goods sold by the Company over the years.

Amount invested in Raw Materials (Rs. in Lakhs)

Value of Sales of Finished Goods (Rs. in Lakhs)

Q1:

In which year, the percentage change (compared to the previous year) in the investment on Raw materials is same as that in the value of sales of finished goods?

A 1996

B 1997

C 1998

D 1999

ANS:B - 1997

The percentage change in the amount invested in raw-materials and in the value of sales of finished goods for different years are: Percentage change in Amount invested in raw-material:

For 1996 = [ (225 - 120) x 100 ] % = 87.5%.
120
For 1997 = [ (375 - 225) x 100 ] % = 66.67%.
225
For 1998 = [ (330 - 375) x 100 ] % = -12%.
375
For 1999 = [ (525 - 330) x 100 ] % = 59.09%.
330
For 2000 = [ (420 - 525) x 100 ] % = -20%.
525
Percentage change in value of sales of finished goods:
For 1996 = [ (300 - 200) x 100 ] % = 50%.
200
For 1997 = [ (500 - 300) x 100 ] % = 66.7%.
300
For 1998 = [ (400 - 500) x 100 ] % = -20%.
500
For 1999 = [ (600 - 400) x 100 ] % = 50%.
400
For 2000 = [ (460 - 600) x 100 ] % = -23.33%.
600
Thus, the percentage difference is same during the year 1997.