The cash difference between the selling prices of an book at a profit of 4% and 6% is $ 3. The ratio of the two selling prices is:
Choose the correct choice from the following answers:
A) 50:53
B) 58:53
C) 52:53
D) 42:36
E) 38:53
C   52:53   Let C.P. of the book be $ x.   Then, required ratio = 104% of x / 106% of x   = 104/106 = 52/53 = 52:53
<result>C</result>
The cash difference between the selling prices of an book at a profit of 4% and 6% is $ 3. The ratio of the two selling prices is: