Question

On selling a watch for Rs 11400, a shopkeeper loss 5%. For how much did the purchase it?

Answer 1

SP of the watch = Rs 11400
Loss% = 5

$\mathrm{CP}=\{\frac{100}{(100-\mathrm{Loss}\%)}\times \mathrm{SP}\}$

$$\begin{gathered} =\{\frac{100}{(100-5)}\times 11400\} \\ =\frac{11400}{95} \\ =\mathrm{Rs}.12000 \end{gathered}$$

He purchased it at the cost of Rs. 12000.