Question

please find the solution.
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Answer 1

area of rectangle = b×h
=80×35
= 2800 m²
leveling is done on the area of cost of [email protected] /m = 4.5× 280= ₹12,600
three times the perimeter is 3×2(b+h)= 6(80+35)
= 6×115=690m
time = distance/speed= 690/1.5
=460 sec = 7min 40sec

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