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A scooter marked at ₹720 is sold at ₹500. What is the rate of discount?

  • A.\(\frac{321}{7}\%\)
  • B.\(\frac{275}{9}\%\)
  • C.\(\frac{462}{5}\%\)
  • D.\(\frac{221}{7}\%\)

Answer: B

The discount is the marked price minus the selling price, and the rate is the discount as a fraction of the marked price.

\[ \frac{720-500}{720} \times 100 = \frac{220}{720} \times 100 \]

\[ = \frac{275}{9}\% \]

The rate of discount is 275/9 per cent, about 30.6 per cent. The other options are values of more than 30 per cent that are much higher or lower than this.

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