Question

The cost price of 12 pens is equal to the selling price of 18 pens. Find gain or loss percent.​

Answer 1

Answer:

12pen CP = 18pen SP

CP/SP= 18/12

CP= 18 SP= 12

LOSS= 18-12 =6

loss%= loss × 100/cp

loss%=6×100/18

loss%=100/3

loss%=33.3333....

Answer 2

The value  of % loss   is 33.33%.

Step-by-step explanation:

Given:

The cost price of 12 pens is equal to the selling price of 18 pens.

To Find:

The value  of  %gain or %loss .

Formula Used:

Loss= Cost price- Selling price

$Loss\%=\frac{Loss}{Cost\ Price} \times100$

Solution:

Let the cost price of 1 pen = Rs.1

Cost price of 12 pens $= Rs. 1 \times 12= Rs.12$

As given- the cost price of 12 pens is equal to the selling price of 18 pens .

Selling price of 18 pens=Cost price of 12 pens

Selling price of 18 pens = Rs.12

Cost price of 18 pens =Rs.18

Loss= Cost price- Selling price

       $=18-12\\= 6\ Rs.$

$Loss\%=\frac{Loss}{Cost\ Price} \times100$

           $=\frac{ 6}{ 18} \times100$

          $=33.33\%$

Thus, the value  of  % loss  is 33.33%.