Ramesh sells handmade lamps. The number of lamps he sells in a day is x. His daily profit (in Rs) is given by P = x^2 - 5x. For what number of lamps is his profit exactly zero (other than selling none)?

Question

Accepted Answer

5. Set P = 0: x^2 - 5x = 0, so x(x - 5) = 0, giving x = 0 or x = 5. The non-zero answer is 5 lamps.

Ramesh sells handmade lamps. The number of lamps he sells in a day is $x$ .
His daily profit (in Rs) is given by $P = x^{2} - 5 x$ .
For what number of lamps is his profit exactly zero (other than selling none)?

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More Class 10 Standard Form and Roots practice

Ramesh sells handmade lamps. The number of lamps he sells in a day is x.His daily profit (in Rs) is given by P=x2−5x.For what number of lamps is his profit exactly zero (other than selling none)?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 10 Standard Form and Roots practice

Ramesh sells handmade lamps. The number of lamps he sells in a day is $x$ .
His daily profit (in Rs) is given by $P = x^{2} - 5 x$ .
For what number of lamps is his profit exactly zero (other than selling none)?