Question

A vendor loses the selling price of 4 oranges on selling 36 oranges. His loss per cent is

Answer 1

Step-by-step explanation:

36SP , LOSS = 4SP , 36CP

CP - SP = LOSS

4SP = 36CP -36SP

40SP =36CP

10SP = 9CP

SP : CP

9 : 10

LOSS% = 1×100/10

= 10% LOSS

Answer 2

Answer:

Let C.P of 1 Orange be:-

$x$

∴ C.P of 36 Orange=

$36x$

Let S.P of 1 orange= y

∴ S.P of 36 orange= 36y

Loss Given = S.P of 4 Orange = 4y

But loss = C.P - S.P

It means 4y =

$4y = 36x - 36y \\ ∴4y + 36y = 36x \\ ∴ \: y = \frac{36}{40} \\ ∴y = \frac{9x}{10}$

∴ Loss% =

$\frac{4y \times 100}{36x}$

Substitute y =

$\frac{9x}{10}$

Loss% =

$4 \times \frac{9x}{10} \times \frac{100}{36x}$

= 10%

Hope it helps!!

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