In final exam of class IX there are 130 students 20 % students failed. How many students passed to class X? (A) 104 (B) 105 (C) 112 (D) 117►Correct Option Correct Answer is: APercentage of students passed to class X = (100 % – 20 %) of 130 = 80 % of 130 =>80 % of 130 => 80/100 × 130 =>10400/100 => 104 Therefore, 104 students passed to class X