3. A rectangular field is of dimension 20 m x 15 m. Two paths run parallel to the sides of the rectangle
through the centre of the field. The width of the longer path is 2 m and that of the shorter path is 1 m.
Find the:
a. area of the paths.
b. area of the remaining portion of the field.
C. cost of constructing the roads at the rate of 10 per m².
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Answer:
तुम भी सड़क सुरक्षा, प्रदूषण और शिक्षा के बारे में विज्ञापन बनाकर अपने मित्र को दिखाओ तथा पूछो कि उसे तुम्हारा विज्ञापन पसंद आया या नहीं। कारण भी पूछो।
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