Given Total Questions = 200 40% of the first 120 questions are answered correctly. Correction percentage in entire test = 60% Calculation Let x% of the remaining 80 questions are correct. Hence, 40% of 120 + x% of 80 = 60% of 200 ⇒ 48 + 80 × (x/100) = 120 ⇒ 4x/5 = 72 ⇒ x = 90