Question

The cost price of 10 chairs is equal to the selling price of 80 find the loss or profit percent

Answer 1

let cost price of 10 chairs are ₹10.
so, the cost price of 80 chairs= ₹80

but by question the selling price of 80 chairs=₹10
so, loss= 80-10= ₹70

loss percentage=
$\frac{70}{80} \times 100 = 87.5 \: \%$