A shopkeeper offers two successive discounts of $20\%$ and $10\%$ on an item marked Rs. $500$. The selling…

A shopkeeper offers two successive discounts of $20\%$ and $10\%$ on an item marked Rs. $500$. The selling price is
  1. Rs. $350$
  2. Rs. $360$
  3. Rs. $380$
  4. Rs. $400$

Solution

Net factor $= 0.80 \times 0.90 = 0.72$. SP $= 500 \times 0.72 = 360$.

Asked in: IMO

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