If the three digit number B9A is a perfect square, find, A-B HomeQuantitative aptitudeIf the three digit number B9A is a perfect square, find, A-Bquantitative aptitudeIf the three digit number B9A is a perfect square, find, A-B ?(a) 6(b) 7(c) 5(d) 9Sol:142=196A=6B=1A-B=5
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?
