From the given graph, We can see that,
Number of products manufactured in 2009 = (52.5) × 1000
Number of products manufactured in 2008 = (48) × 1000
Required Difference = Number of products manufactured in 2009 - Number of products manufactured in 2008
Required Difference = ( 52.5 ? 48 ) × 1000 = 4.5 x 1000 = 4500
As per given graph ,
Number of products not sold by the company in the year 2007 = Number of products manufactured ? Number of products sold = 45 - 42.5 = 2.5 ( in thousands )
Number of products not sold by the company in the year 2005 = Number of products manufactured ? Number of products sold = 37.5 - 30 = 7.5 ( in thousands )
? ratio = Number of products not sold by the company in the year 2007 : Number of products not sold by the company in the year 2005
= 2.5 : 7.5 = 1 : 3
Average number of constructions in City R = (number of constructed building + number of demolished building + number of redeveloped building )/3
Average number of constructions in City R = 150 + 225 + 250/3 = 625/3 = 208.33 Approximate 208 %
Required ratio = number of building demolished in City T / number of buildings redeveloped in city P
Required ratio = 175 : 300 = 7 : 12
Total constructions in City Q = constructed building + demolished building + redeveloped building
Total constructions in City Q = 100 + 175 + 275 = 550
Total constructions in City T = constructed building + demolished building + redeveloped building
Total constructions in City T = 175 + 250 + 300 = 725
Their difference = 725 - 550 = 175
Total number of buildings constructed across the cities = 200 + 100 + 225 + 300 = 1100
Total number of buildings redeveloped across the cities = 300 + 275 + 250 = 1400
Required percentage = 1100 x 100 /1400 = 78.57% approx. 79%
Average number of building = number of building across the cities (P + Q + R + S + T )/5
Average number of building = 50 + 175 + 150 + 75 + 175/5 = 625/5 = 125
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