Question

A stationary sold 1 dozen of pen at the rate of Rs 25 each and gained Rs 120 altogether . how much was the cost price of the pens

Answer 1

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Given total cost of 5 pens and 10 pencil = Rs 30

5 pens + 10 pencils = 30

pens + 2 pencils = 1

also given pen cost 3 more than a pencil

i.e, pen = 3 + pencil.

pen - pencil = 3

pens + 2 pencils = 6

_______________

-3 pencils = -3

pencils = 1

pen - 1 = 3

pen = 4

cost of pencils = 1 cost of pen = 4

Answer 2

Answer:

The cost of 1 pen was 10 rupees

Step-by-step explanation:

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