Quantitative Aptitude Ques 16

Question: What will be the cost of gardening 1 m broad boundary around a rectangular plot having perimeter of 340 m at the rate of $ Rs.10,per{m^{2}}? $

Options:

A) Rs. 3400

B) Rs. 1700

C) Rs. 3440

D) Cannot be determined

E) None of the above

Show Answer

Answer:

Correct Answer: C

Solution:

  • Area of boundary $ =(l+2)(b+2)-lb $ $ =lb+2,(l+b)+4-lb $ $ =2,(l+b)+4 $ $ =340+4=344m^{2} $

$ \therefore $ Total cost $ =344\times 10=Rs.,3440 $

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