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Each toy cost 55 minus the number of toys made that day. Total cost 750. The unknown number satisfies:
AA cubic equation
BNo equation at all
CA quadratic equation
DA linear equation
Answer & Solution
Correct answer: C. A quadratic equation
1. Total cost is x times 55 minus x.
2. Setting that equal to 750 gives an x squared term.
3. So it is a quadratic equation.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
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