The cash difference between the selling prices of an book at a profit of 8% and 16% is $3. The ratio of the two selling prices is: Choose the most appropriate option
A) 55:23
B) 52:33
C) 52:53
D) 27:29
E) 51:34
Let C.P. of the book be $x.   Then, required ratio = 108% of x / 116% of x   = 108/116 = 27/29 = 27:29   27:29
<result>D</result>
The cash difference between the selling prices of an book at a profit of 8% and 16% is $3. The ratio of the two selling prices is: