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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