√4489 + √1849 – √841 = ?2 HomeQuantitative aptitude√4489 + √1849 – √841 = ?2 quantitative aptitude Q. √4489 + √1849 – √841 = ?2 a) 7 b) 5 c) 8 d) 6 e) 9 Sol: √4489 + √1849 – √841 = ?2 67 + 43 – 29 = ?2 ? = 9
In a class, 15% of total number of students failed in Science, 25% of total number of students failed in Maths and 10% of total number of students failed in both. How much percentage of students passed in both Maths and Science?