Directions: The following bar chart shows the production(in thousands) of motorcycles by two companies A and B from 2010 to 2014 and the line graph shows the percentage sale of these companies in respective years.

Important for :
1
What is the total number of motorcycles sold by Company A and Company  B together in 2010?
» Explain it
C
 Total sale of A = 84000 × 65 = 54600 100

 Total sale of B = 56000 × 70 = 39200 100

Total sale of A and B = 54600 + 39200 = 93800.
2
What is ratio of the total number of motorcycles sold by Company B in 2011 to that sold by Company A in 2013?
» Explain it
D
 Sale of B in 2011 = 78000 × 60 = 780 × 60 100

 Sale of A in 2013 = 68000 × 60 = 680 × 60 100

 ∴   Ratio = 780 = 39 = 39 : 34. 680 34
3
The total no. of motorcycles sold by Company A in 2014 is approximately what per cent of that produced by Company B in that year?
» Explain it
B
 Sale of A = 70000 × 52 = 36400 100

Total no. of motorcycles produced by B = 81000

 Reqd % = 36400 × 100  =  44.938 ≈ 45% 81000

4
What is the average number of motorcycle sold by Company B in the given five years?
» Explain it
E
Total no. of motorcycle sold by B

 = 56k × 70 + 78k × 60 + 80k × 55 + 60k × 70 + 81K × 63 100 100 100 100 100

= 39200 + 46800 + 44000 + 42000 + 51030 = 223030

 So, Average of motorcycles sold by Company B = 223030 = 44606. 5

5
What is the approximate percentage rise/fall in the sale of Company A from 2011 to 2012?
» Explain it
B
 Total value of A in 2011 = 72000 × 58 = 41760 100

 Total value of A in 2012 = 92000 × 75 = 69000 100

 ∴     Rise % = 69000 – 41760 × 100 = 27240 × 100 = 65.229 ≈ 65% 41760 41760
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