A dealer sells a toy for rs 24 and gains as much percent as the cost price of the toy. find the cost price of the toy.
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Answer:the cost price is 20
Step-by-step explanation:We know selling price=cost price plus gain
Let CP be x
Then gain percent also is x
According to question,
24=x+x/100*x
Simplify this to form a quadratic equation x2+ 100x- 2400
The required answer will be 20
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