the cost price of 8 book is equal to the selling price at 6 book. find the gain per cent
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Let the C.P. of 1 book be Rs. 1
So,
C.P. of 8 books = Rs. 8
Therefore ,
As C.P. of 8 books = S.P. of 6 books
S.p. of 1 book = 8/6
=> 1.33
Now ,
Gain = S.P. - C.P.
=> 1.33- 1.00
=> 0.33
Gain % => 0.33× 100
=> 33℅
Ans. 33℅
So,
C.P. of 8 books = Rs. 8
Therefore ,
As C.P. of 8 books = S.P. of 6 books
S.p. of 1 book = 8/6
=> 1.33
Now ,
Gain = S.P. - C.P.
=> 1.33- 1.00
=> 0.33
Gain % => 0.33× 100
=> 33℅
Ans. 33℅
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