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What is the cost of painting two adjacent walls of a hall having no door or window at Rs. 450 per `m^(2)` ? I. Length and breadth are in the ratio of `3:3` respectively. II. Permeter of the hall is 50 m and height is one-fourth of the perimeter.A. if the data in Statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer to question.B. if the data in statement Ii alone are sufficient to answer the questin, while the data in statemetn I alone are not suffcient to answer the question.C. if data either in statement I alone or in statement II alone are sufficient to answer the question.D. if the data in both the statements I and II together are necessary to answer the question. |
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Answer» `{:(22.5" "15),("Length : Breadth"=3 : 2),(" "darr),(" "3x.2x):}` Height `=50xx1/4=12.5` Perimeter `=2(3x+2x)=50` `impliesx=5` So, area of two any adjacent walls `=bxxh+lxxh=h(l+b)` Total cost of painting on wall `=12.5xx25xx450=Rs. 140625` |
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