Instructions

Answer the questions based on the following graphs






Question 1

Which of the following year exhibited highest percentage decrease over the preceding year in the automobile production?

Solution

TotalĀ automobile production in the year 2004 = 800+500+475 = 1775

TotalĀ automobile production in the year 2005 =Ā 700+550+450 = 1700

TotalĀ automobile production in the year 2006 =Ā 1025+675+475 = 2175

TotalĀ automobile production in the year 2007 = 1200+650+475 = 2325

TotalĀ automobile production in the year 2008 =Ā 1250+600+350 = 2200

We can see that production decreased only twice during the given period in the year 2005 and 2008.

Hence, theĀ percentage decrease in the year 2005 over the year 2004 = $$\dfrac{1775-1700}{1775}\times 100$$ = 4.225 percent.

Similarly,Ā theĀ percentage decrease in the year 2008 over the year 2007 = $$\dfrac{2325-2200}{2325}\times 100$$ = 5.376 percent.

Therefore, we can say that option D is the correct answer.Ā 


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