Central angle of 108° = | ❨ | 108 | x 100 | ❩ | % of the total expenditure |
360 |
= 30% of the total expenditure.
From the pie chart it is clear that:
Binding Cost + Transportation Cost | = (20% + 10%) of the total expenditure |
= 30% of the total expenditure. |
∴ Binding Cost and Transportation Cost together have a central angle of 108°.
Bank A has given the maximum loan in 2007
Number of students studying in school B in 1994 = 950 + (350 ? 150) + (225 ? 115) + (185 ? 110) + (200 ? 90) = 950 + 200 + 110 + 75 + 110 = 1445.
Expenditure on the game of Football = 15% of total amount spent
Expenditure on the game of Hockey = 15% of total amount spent
Therefore, the ratio of the expenditure on the two game = 1 : 1
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