Answer:

let the selling price of 42 oranges be 42x

then, the loss=8x

cp=sp+loss

=42x+8x=50x

loss%=loss/cp*100

=8/50*100

=16%

Answer:

Let the Selling Price of 1 orange be Rs1

Selling Price of 42 oranges = Rs1×42

= Rs 42

Loss = Selling Price of 8 oranges

Loss = Rs 1 × 8 = Rs 8

Hence,C.P of 42 oranges = S.P + Loss

= Rs 42 + Rs 8

= Rs 50

Loss% = Loss/C.P × 100

Loss% = 8/50 × 100

Loss% = 16%