The given graph depicts only the percent profit earned by the two companies over the given years. So we need Income information also to calculate the expenditure of the companies for this years. Hence the given information is insufficient to answer the question.
Hence, answer cannot be determined .
Data inadequate
So ,Required answer cannot be determined.
Both segments representing education and rent respectively are each 10%. Hence, family's expenditure on these two items will be equal. i.e.. Rs. 375 will be expenditure on rent.
Here as per graph food expenditure , 40% = Rs. 750 per month
? 10% = 10 x 750/40 = Rs. 187.50 per month
As per graph 10% is the expenditure on education.
? Annual expenditure (12 months) of the family on education = 187.50 x 12 = Rs. 2250
As per graph,
Expenditure on clothing = 20 %
Expenditure on clothing = Total expenditure x 20 %
Expenditure on clothing = 4500 x 20/100 = Rs. 900
Expenditure on clothing = 45 x 20 = Rs. 900
As per graph,
other expenses = 15 % of total expenditure.
As we know that the angle made on center in a circle is 360°
Since 100% made an angle 360° in a circle.
therefore 1% made an angle 360° / 100 in a circle.
therefore 15% made an angle 15 x 360° / 100 in a circle.
Central angle for 15% =15 x 36° / 10
Central angle for 15% =3 x 36° / 2
Central angle for 15% =3 x 18° = 54°
As per graph
Expenditure on rent and clothing = 10% + 20% = 30%
Expenditure on medicine and other expenses = 5% + 15% = 20%
? Ratio = 30% : 20% = 3 : 2
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