Math, asked by mour11122015, 1 day ago

A box of pen is purchased at the rate of 7 for 9rs. and sold all of them at the rate of 8 for 11rs. How many pens did the box contain, if there is gain 10rs.

Answers

Answered by gnanamkavinaswath

0

Answer:

7and a half pens should be there

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