For 1997 | ❨ | 780 | x 100 | ❩ | % = 12.19%. |
6400 |
For 1998 | ❨ | 1020 | x 100 | ❩ | % = 11.59%. |
8800 |
For 1999 | ❨ | 890 | x 100 | ❩ | % = 11.41%. |
7800 |
For 2000 | ❨ | 1010 | x 100 | ❩ | % = 11.54%. |
8750 |
For 2001 | ❨ | 1250 | x 100 | ❩ | % = 12.82%. |
9750 |
∴ Maximum percentage is for the year 2001.
Required average |
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= 8990. |
Required percentage |
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= 79.54% 80%. |
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°.
Then, 25 : 10 = 56250 : p ⟹ p = Rs. | ❨ | 56250 x 10 | ❩ | = Rs. 22,500. |
25 |
Let the selling price of this edition (of 12500 books) be Rs. x.
Then, 15 : 105 = 281250 : x ⟹ x = Rs. | ❨ | 105 x 281250 | ❩ | = Rs. 1968750. |
15 |
∴ S.P. of one book = Rs. | ❨ | 1968750 | ❩ | = Rs. 157.50 . |
12500 |
Required percentage |
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= 11.15% |
Required percentage |
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= 11.84%. |
Required percentage |
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= 12.35%. |
For Delhi = | 94 + 48 + 82 + 90 + 70 | = | 384 | = 76.8. |
5 | 5 |
For H.P. = | 82 + 65 + 70 + 86 + 75 | = | 378 | = 75.6. |
5 | 5 |
For U.P. = | 78 + 85 + 48 + 70 + 80 | = | 361 | = 72.2. |
5 | 5 |
For Punjab = | 85 + 70 + 65 + 84 + 60 | = | 364 | = 72.8. |
5 | 5 |
For Haryana = | 75 + 75 + 55 + 60 + 75 | = | 340 | = 68. |
5 | 5 |
Clearly, this average is maximum for Delhi.
For 1997 = | ❨ | 680 | x 100 | ❩ | % = 8.29%. |
8200 |
For 1998 = | ❨ | 600 | x 100 | ❩ | % = 8.82%. |
6800 |
For 1999 = | ❨ | 525 | x 100 | ❩ | % = 8.08%. |
6500 |
For 2000 = | ❨ | 720 | x 100 | ❩ | % = 9.23%. |
7800 |
For 2001 = | ❨ | 485 | x 100 | ❩ | % = 8.51%. |
5700 |
Clearly, this percentage is highest for the year 2000.
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