Question

53. A sum of Rs. 135 is obtained on selling an article
at 10% loss. What will be the C.P. of the article?​

Answer 1

Step-by-step explanation:

$cp = \frac{100} {100 - loss\%} \times sp \\ cp = \frac{100}{100 - 10} \times 135 \\ cp = \frac{100}{90} \times 135 \\ cp = 150$

Answer 2

Answer:

Sp = 135

let the CP = x

loss = x-135

loss% =( loss/Cp)*100

10 = (x-135/x)*100

10/100 = x-135/x

1/10= x-135/x

x=10x-1350

1350=10x-x

1350=9x

150= x

hence, cp is 150

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