3 seventh of a number is 12 more than 40 % of that number . what will be the 30 % of that number ? Select
A) 148 B) 210 C) 63 D) 248 E) 258

Rationale: 3 / 7 x – 40 / 100 x = 12 x = 35 * 12 35 * 12 * 30 / 100 = 126 / 2 = 63 answer : c
Answer: C