Question

A book was sold at a loss of 13 p.c. had it been sold for rs.9.75 more,there would have been a gain of 26%. what was its cost price?


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Answer 1

Given :

Loss = 13% .

Sold in Rs. 97.5

Gain - 25 %

To Find :

What is the cost price ?

Solution :

Let the cost price be x.

By using formula,

C.P = C.P - S.P

$\implies\sf{x = \frac{87x + 975/100}{126} }$

126 x = 87x + 975

126x - 87x = 975.

39x = 975

$\implies\sf{x = \frac{975}{39} }$

x = Rs.25

Hence, the cost price of is Rs.25.

☆Extra Information ☆

CP = Cost Price.

S.P = Selling Price .

Answer 2

Answer:

Given :

Loss = 13% .

Sold in Rs. 97.5

Gain - 25 %

To Find :

What is the cost price ?

Solution :

Let the cost price be x.

By using formula,

C.P = C.P - S.P

\implies\sf{x = \frac{87x + 975/100}{126} }⟹x=

126

87x+975/100

126 x = 87x + 975

126x - 87x = 975.

39x = 975

\implies\sf{x = \frac{975}{39} }⟹x=

39

975

x = Rs.25

Hence, the cost price of is Rs.25.

Step-by-step explanation:

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