If the cost price of 12 pens is equal to the selling price of 8 pens, then what is the gain percent? Option 1: 331/3% Option 2: 50% Option 3: 662/3% Option 4: 70%

Answer: 50%. Solution: 12 CP = 8 SP SP/CP = 12/8 = 3/2. Gain % = ((3-2)/2) x 100 = 50%.

Arithmetic

Profit & Loss

Medium

If the cost price of 12 pens is equal to the selling price of 8 pens, then what is the gain percent?

$33\frac{1}{3}\%$

50%

$66\frac{2}{3}\%$

70%

✅ Correct Option: 2

$12 \text{ CP} = 8 \text{ SP} \Rightarrow \text{SP/CP} = 12/8 = 3/2$ .

Gain % $= ((3-2)/2) \times 100 = 50\%$ .

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