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CBSE Class 10 Answered

An article was sold at a profit of 12%. if the cost price would be 10% less and selling price would be rupess 5.75 more, there would be profit of 30%. then at what price it should be sold to make a profit of 20%

Asked by srinew414 | 03 Sep, 2022, 12:16: PM
Expert Answer
Let space CP space equals space straight x
Profit space equals space 12 percent sign space of space straight x space equals space 0.12 straight x
SP space equals space CP space plus space straight P space equals space 1.12 straight x

CP thin space less space by space 10 percent sign
CP space equals space 0.9 straight x
SP space equals space 1.12 straight x space plus space 5.75
straight P space equals space SP space minus space CP space equals space 0.22 straight x space plus space 5.75
straight P percent sign equals straight P over CP
30 over 100 equals fraction numerator 0.22 straight x space plus space 5.75 over denominator 0.9 straight x end fraction
27 straight x equals 22 straight x plus 575
straight x equals 115
CP equals 115

Now comma
straight P percent sign equals 20 percent sign
CP equals 115
straight P space equals space 23
SP equals 138
Answered by Arun | 06 Sep, 2022, 03:41: PM
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