if a book is sold at 10 % profit instead of 10 % loss , it would have brought rs 14 more . find out the cost price of the book
"let c . p . of the book be rs . ’ x ’ given , 1.10 x - 0.90 x = 14 = > 0.2 x = 14 = 14 / 0.2 = rs 70 answer : d"
divide(multiply(const_100, divide(10, const_2)), 10)