The cost price of 33 books is the same as the selling price of ‘x’ books. If the profit is 10%, then the value of ‘x’ is :
Answer & explanation
Correct answer: option 1
According to the question
33 × C.P = x × S.P
\(\frac{CP}{SP}\) = \(\frac{x}{33}\)
So, C.P = x
S.P = 33
x × \(\frac{110}{100}\) = 33
x × 11 = 330
x = 30