rijitasingh
Let the CP of one article = Rs. C and SP = Rs. S
21C = 18S C = (6/7)S C < S = Profit
Formula : SP = (100 + P% / 100) CP
S = (100 + P% / 100 ) C
S/C = (100 + P% / 100 )
7/6 = (100 + P% / 100 )
7/6 X 100 = 100 + P%
700/6 - 100 = P%
100/6 = P %
P % = 16.67 plss mark me as brainly
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vikrant33
Let cp of one article is 10rupees cp of 18 articles is 180rupees So sp of 21 articles is 180rupees cp of 21 articles is 210rupees Therefore loss is 210-180 which is 30 loss percentage is 30/210*100 which is 100/7 Therefore ans=14.28%=14.3%
Answers & Comments
21C = 18S
C = (6/7)S
C < S = Profit
Formula : SP = (100 + P% / 100) CP
S = (100 + P% / 100 ) C
S/C = (100 + P% / 100 )
7/6 = (100 + P% / 100 )
7/6 X 100 = 100 + P%
700/6 - 100 = P%
100/6 = P %
P % = 16.67
plss mark me as brainly
cp of 18 articles is 180rupees
So sp of 21 articles is 180rupees
cp of 21 articles is 210rupees
Therefore loss is 210-180 which is 30
loss percentage is 30/210*100
which is 100/7
Therefore ans=14.28%=14.3%