Ramesh bought a calculator with 20% discount on the tag price. He obtained 10% profit by selling it for Rs.440. What was the tag price ?
Let tag price = Rs. $$100x$$
Discount % = 20%
=> Calculator's selling price = Cost price for Ramesh = $$100x-(\frac{20}{100}\times100x)$$
= $$100x-20x=Rs.$$ $$80x$$
Profit = $$\frac{10}{100}\times80x=Rs.$$ $$8x$$
Also, selling price = $$(80x+8x)=440$$
=> $$x=\frac{440}{88}=5$$
$$\therefore$$ Tag price = $$100\times5=Rs.$$ $$500$$
=> Ans - (A)
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