A piece of cloth costs Rs 35 If the piece were 4 m longer and each meter were to cost Rs 1 lesser th...........

Quantitative Aptitude (RRB NTPC) Mensuration 2D

A piece of cloth costs Rs. 35. If the piece were 4 m longer and each meter were to cost Rs. 1 lesser, then the total cost would remain unchanged. How long is the piece of cloth?

10 m

14 m

12 m

8 m

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Explanation:

Let total length = x m

ATQ,

35= (x+4)x(35/x - 1)

By solving the equation

x² + 4x – 140 = 0

∴ x = 10 m

By: Barka Mirza

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A piece of cloth costs Rs 35 If the piece were 4 m longer and each meter were to cost Rs 1 lesser th...........

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Explanation:

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