Question 12
If Rajan purchases 21 pens for Rs.20 and sells all the pens at the rate of 20 pens for Rs.21, then what will be the profit percentage?
Solution
Cost price of 21 pens = Rs. 20
=> Cost price of 420 pens = Rs. 400
Similarly, Selling price of 420 pens = Rs. 441
$$\therefore$$ Profit % = $$\frac{(441-400)}{400}\times100$$
= $$\frac{41}{4}=10.25\%$$
=> Ans - (C)
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