Question

Example-2. एक वस्तु को 12.5% लाभ पर बेचा जाता है, यदि उस
वस्तु को 5% हानि पर बेचा जाता है, तो विक्रय-मूल्य 9.80 रु० कम हो
जाता है. वस्तु का क्रय-मूल्य क्या है?
​

Answer 1

Answer:

cp=₹56

step by step explanation

let

the cp of the things be X

a gain of the things=12.5%

so,

sp of the things=100+12.5/100*X

=112.5/100*X

=9/8x

given in question 9.80 reduce when it is sold at a loss of 5%

so

sp of the things=9x/8-9.80

if the things is sold at loss 5%

cp of the things=X

at a loss of 5%

so,

sp of of the things=100-5/100*X

=95/100*X

=19x/20

$= > \frac{9x}{8} - 9.80 = \frac{19x}{20} \\ = > \frac{9x}{8} - \frac{19x}{20} = 9.80 \\ = > \frac{45x - 38x}{40} = \frac{980}{100} \\ = > \frac{7x}{40} = \frac{980}{100} = > 700x = 980 \times 40 \\ = > x = \frac{980 \times 40}{700} = > x = 56$

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Answer 2

Answer:

Step-by-step explanation: