Question

A shopkeeper purchases 20 chairs for Rs 500 each 5 chairs got damaged in transportation the remaining chairs where sold at rupees 600 each find the gain or loss percent

Answer 1

$cost \: of \: purchases \: chairs \: = \: rupees \: 20 \times 500 = \: rupees \: 10000 \\ 5 \: chairs \: are \: got \: damaged. \: so \: remaining \: 15 \: chairs \: are \: sold \: at \: = \: rupees \: 15 \times 600 = \: rupees \: 9000 \\ so \: shopkeeper \: has \: lost \: rupees \: 10000 - 9000 = \: rs. \: 1000 \\ and \: the \: lost \: \% = \frac{1000}{10000} \times 100\% = 10\%$