If a2+b2+1=2a, then the value of a4+b7 is HomeQuantitative aptitudeIf a2+b2+1=2a, then the value of a4+b7 is quantitative aptitude If a2+b2+1=2a, then the value of a4+b7 is: a) 0 b) 1 c) 2 d) 4 Sol:
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?
