The cost of a piece of cable wire is Rs....

The cost of a piece of cable wire is Rs. 35/-, If the length of the piece of wire is 4 meters more and each meter costs, Rs. 1/- less, the cost would remain un-changed. What is the length of the wire ?

A

10 metres

B

12 metes

C

15 metres

D

20 metres

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The correct Answer is:

A

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