Problem: a box contain the number of balls which is as much times greater than 15 as much times lesser than 240 . the no . of ball is ?
Rationale: "answer let the number be x . x / 15 = 240 / x x ^ 2 = 240 * 15 = 3600 x = √ 3600 = 60 correct option : c"
annotated_formula: divide(add(240, 15), const_2)