Question
Among 132 examinees of a certain school, the ratio of
successful to unsuccessful students is 9 : 2, Had 4 more students passed, then the ratio of successful to unsuccessful students will beSolution
the ratio of successful to unsuccessful students is 9 : 2 total number of examines = 132 successful students = (9/11) × 132 = 108 unsuccessful students = (2/11) × 132 = 24 had 4 more students passed successful students = 108 + 4 = 112 unsuccessful students = 24 – 4 = 20 new ratio of successful to unsuccessful students is 112 : 20 28:5
More Ratio Questions
41.66% of 888 + 66.66% of 1176 = ?2 - 4√ 16 Â
Evaluate: 320 − {18 + 4 × (21 − 9)}
Simplify: 72 ÷ 6 × 3 − 8 + 4
118 × 6 + 13 + 83 = ?
Simplify the following expression:
  (400 +175) ² - (400 – 175) ² / (400 × 175)
150% of 850 ÷ 25 – 25 = ?% of (39312 ÷ 1512)
(75 + 0.25 × 10) × 4 = ?2 - 14
26% of 650 + 15% of 660 – 26% of 450 = ?
115% of 40 + 3 × 4 = ? × 11 – 8
