ABC26GN2680 · Profit and Loss
Subject: General Aptitude · Chapter: Profit and Loss · Exam: 2005 · Marks: · Difficulty:
By selling 90 ball pens for ₹ 160, a person loses 20\%. How many ball pens should be sold for ₹ 96 so as to have a profit of 20\%?
Answer
Explanation
S.P. of 90 ball pens $=₹ 160$, Loss $=20 \%$. C.P. of 90 ball pens $=₹\left(\frac{100}{80} \times 160\right)=₹ 200$. ∴ Desired S.P. of 90 ball pens $=₹\left(\frac{120}{100} \times 200\right)=₹ 240$. For ₹ 240, ball pens sold = 90. For ₹ 96, ball pens sold $=\left(\frac{90}{240} \times 96\right)=36$.
Explanation as extracted from the printed page; notation may be imperfect.
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