A dealer sells a toy for Rs.24 and gains as much percent as his cost price of the toy. Find the cost price.
This is a 10th std question and it is from the chapter quadratic equations. Plz help me.
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Let the cost price of toy be Rs. x. Then
Gain x% = Rs (x*(x/100)) = Rs.. x^2/100
Now SP = CP + Gain
24 = x+(x^2/100)
Put the value and solve
then ans is in quadratic for
and is -120 and 20
price can not be negative
ans is 20
I hope this helps you .
mark me as Brainlist .
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Gain x% = Rs (x*(x/100)) = Rs.. x^2/100
Now SP = CP + Gain
24 = x+(x^2/100)
Put the value and solve
then ans is in quadratic for
and is -120 and 20
price can not be negative
ans is 20
I hope this helps you .
mark me as Brainlist .
❤️❤️
Anas284:
but how did you take -120
Thanks mate
It is correct mate
I confuse because i am not in 10std
its so confusing
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