CUET Preparation Today
By selling 90 pens for ₹80 a man loses 20%. What should be the selling price of 75 pens on 20% profit? |
90 100 110 120 |
100 |
CP = \(\frac{80}{90}\) × \(\frac{100}{80}\) = \(\frac{10}{9}\) SP = \(\frac{10}{9}\) × \(\frac{120}{100}\) = \(\frac{20 × 5}{15 × 5}\) = \(\frac{100}{75}\) = 75 pen for Rs. 100 |
