question_answer

Consider the following: Cost of 40 erasers is Rs.45 Cost of 50 pencils is Rs.55 Cost of 20 pens is Rs.65 Which one of the following is correct?

A) Cost of a pencil > cost of an eraser > cost of a pen

B) Cost of an eraser > cost of an pen > cost of a pencil

C) Cost of a pen > cost of an eraser > cost of a pencil

D) All the above

E) None of these