Question

The CP of 21 articles is equal to SP of 18 articles Find the gain or loss percent​

Answer 1

Given :

CP = 21

SP = 18

To find :

Profit % or loss %

Formula :

L% = CP - SP

_______ × 100

CP

Solution :

$l\% = \frac{21 - 18}{21} \times 100 \\ = \frac{3}{21} \times 100 \\ = \frac{1}{7} \times 100 \\ = \frac{100}{7} \\ = 14.29\%$

Hence the loss % is 14.29

Answer 2

Answer:

CP of each article be Rs1

CP of 18 articles =21-18=3Rs

Profit percentage=3/18*100=16 ⅔%

Step-by-step explanation:

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