If x + y = 12 and xy = 32, then what is the value of $x^2 + y^2$ 1). 242). 1443). 1284). 80
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1. If (x - 2)2 + (y + 3)2 + (z - 15)2 = 0, then what is the value of x + y + z - 5?
2. The value of \(\left\{ {1 - \frac{1}{2}} \right\} \times \left\{ {1 - \frac{1}{3}} \right\} \times \left\{ {1 - \frac{1}{4}} \right\} \times \ldots . \times \left\{ {1 - \frac{1}{q}} \right\}\) equal to
3. In a $\triangle ABC$, AB = BC,$\angle B$ = $x^{0}$ and $\angle A$ = $(2x-20)^{0}$. Then $\angle B$ is
4. In a $\triangle ABC$ , $\angle A$ : $\angle B$ : $\angle C$ = 2:3:4. A line $CD drawn \parallel AB$, then the $\angle ACD$ is
5. In the following question two equations are given in variables x and y. You have to solve these equations and determine the relationship between x and y. I. x2 - 19x + 84 = 0 II. y2 - 25y + 156 = 0
6. If $\frac{(5x - y)}{(5x + y)}$ =$\frac{3}{7}$, then what is the value of $\frac{(4x^{2} + y^{2} - 4xy)}{(9x^{2} + 16y^{2}+ 24xy)}$?
7. AB is the diameter of the circle with centre O and P be a point on its circumference, if
8. If $p+\frac{1}{p+2}=1$, then the value of $(p+2)^{3}+\frac{1}{(p+2)^{3}}-3$ is?
9. Product of digits of a 2 - digit number is 18. If we add 63 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
10. Sum of the factors of $4b^{2}c^{2}-(b^{2}+c^{2}-a^{2})$
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