1200 boys and 800 girls are examined for class 10th. 45% of the boys and 35% of the girls pass. The percentage of the total who failed?A55%B58%C57%D59%Answer: D. 59% Read Explanation: Total number of students = 1200 + 800 = 2000 Total number of students passed = 45% of 1200 + 35% of 800 ⇒ (45/100) × 1200 + (35/100) × 800 ⇒ 540 + 280 ⇒ 820 Numbers of student failed = 2000 – 820 = 1180 Percentage failure = (1180/2000) × 100 ⇒ 118/2 ⇒ 59%Read more in App