A person purchased 10 dozen pens at the rate of 40 per dozen. On checking, he found that 20 pens were not working. In order to earn
,at what price should he sell each pen
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Answer:
10 dozen = 12×10 = 120
rate = 40 per dozen, 40 for 12
no of working pens = 100
no of not working pens = 20
this cost = 40 × 10 = 400
25% of 400 = 100
therefore, he should earn 400+ 25%= 400+100 = 500
Step-by-step explanation:
So, he should sell 100 pens for 500 Rs
rate/cost of a pen = 500/100= ₹5
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