A field in the form of a parallelogram has one side 150 metres and its distance from the opposite side is 80 metres. The cost of watering the field at the rate of 50 paise per square metre is :
A. Rs. 3500
B. Rs. 5000
C. Rs. 6000
D. Rs. 7000
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & {\text{Area of the field}} = \left( {{\text{Base}} \times {\text{Height}}} \right) \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \left( {150 \times 80} \right){m^2} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 12000\,{m^2} \cr} $$∴ Cost of watching :
$$\eqalign{ & = {\text{Rs}}{\text{. }}\left( {12000 \times 0.50} \right) \cr & = {\text{Rs}}{\text{. 6000}} \cr} $$
Related Questions on Area
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D. 307200 m2
E. None of these
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B. 2.02%
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The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
A. 40%
B. 42%
C. 44%
D. 46%
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