Rahul sold a box for ₹1,440 at a loss of 40%. What should the selling price of the box be to enable Rahul to earn a profit of 40%?
Selling Price = 1440
Cost price=$$100\ \frac{\ 100-loss\%}{ }\times\ SP$$
$$100\ \frac{\ 100\ -\ 40\ \%\ }{ }\times\ 1440$$
$$100\ \frac{\ 60}{ }\times\ 1440$$
$$100\ \frac{\ 60}{ }\times\ 1440\ =2400$$
$$2400\times\ 40\ \frac{\ 100\ }{ }\ +\ 2400$$
$$960\ +\ 2400\ =3360$$
Hence Option D is correct Answer
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