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