An eraser costs Rs. 3. The cost of 20 er...

An eraser costs Rs. 3. The cost of 20 erasers is equal to the cost of the three pens. The cost of one pen is equal to the cost of two pencils and the cost of six pencils equal to the cost of five markers. What is the cost of one marker ?

A

Rs. 15

B

Rs. 9

C

Rs. 13.50

D

Rs. 12

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The correct Answer is:

D

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