Question

if the cost price of12 pen is equal to the selling price of 15 pens find the gain or loss percentage​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

• loss % = 20%.

Step-by-step explanation:

Given:

• CP is 12 pen is equals to SP of 15 pens.

To Find:

• Gain or loss percentage.

Let CP of each pen be Rs. x.

⇒ CP of 15 pen = 15x

⇒ SP of 15 pens = CP of 12 pens = Rs. 12x

Here, CP > SP, it means loss,

⇒ Loss = CP - SP

⇒ Loss = 15x - 12x

⇒ Loss = 3x

Now, we will calculate loss %.

$\longrightarrow \sf Loss\%= \dfrac{Loss}{CP}\times 100\\ \\ \\ \longrightarrow \sf Loss\%=\dfrac{3x}{15x}\times 100\\ \\ \\ {\boxed{\longrightarrow {\bf Loss\%=20\%}}}$

Hence, loss % = 20%.

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