MBA Exam Numerical Ability Algebra

If p,q are real, p^2 + q^2 -6p + 18q + 90 = 0, then find the value of p^2 + 9q^2 -6pqMax time alloted: 2min20s

1) 900
2) 576
3) 810
4) 800
5) CBD

Read Solution (Total 0)

MBA Other Question

The number of real roots of the equation where a, b and c are non-zero is

1) 0
2) 1
3) 2
4) CAN NOT BE DETERMINED
Each of A,B and C has some coins with them.A gave two coins to B,who then gave 4 coins to C,who,in turn, gave six coins to A.Now,if each of them has the same number of coins,and the number of coins in the beginning were in the ratio x:y:z,what is the minimum possible value of x+y+z?

1) 3
2) 5
3) 4
4) 15