Multiple choice

If the ratio of the cost price and selling price is $5:6,$ the gain per cent is:

  1. $20\%$
  2. $33 \dfrac {1}{3}\%$
  3. $25\%$
  4. $30\%$
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A Correct answer
Explanation

Gain = Selling Price - Cost Price. Ratio CP:SP = 5:6. Gain = 6 - 5 = 1. Gain percent = (1/5) * 100 = 20%.

AI explanation

Using the profit percentage formula, when the cost price is treated as 5 and the selling price as 6, the gain is calculated as 6 minus 5, which equals 1. The gain percentage is then (1 divided by 5) times 100, resulting in a 20 percent gain. The calculated percentage is 20%.

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