1.
If a² – b² = 36 and a + b =4, then (a – b)² =———-
2.
Find the minimum value of | x – 3 | − 11
3.
2a = 4b = 8c = 64. Find a² + b² + c².
4.
Which of the following is correct about the properties of a circle?
5.
The discriminant of the equation x2 – 7x + 2 = 0 is
6.
Which of the following is an irrational number?
7.
In case of discounted sale, the sales tax is calculated on the printed price. Is it true or false?
8.
If A = { 1, 2, 3, 4 }, then how many subsets of A contain the element 1 but not 4 ?
9.
The ratio between the exterior angle and the interior angle of a regular polygon is 1 : 3. Find the number of the sides of the polygon.
10.
³√5 is an irrational number as well as a surd. State true or false.
11.
The polynomial x³ – 4x² + x – 4 on factorization gives
12.
In a quadrilateral, all angles are less than 180° and two of its diagonals lie completely inside the quadrilateral. The quadrilateral is known as:
13.
In which condition or conditions the roots of a pure quadratic equation exists?
14.
For a quadratic polynomial p(x) = ax² + bx + c, the sum of zeroes of the polynomial is:
15.
√X is a perfect square. Which of the following is/are true?
16.
If 64 > x³, then the greatest possible integer value of x is :
17.
If x° is the measure of an angle which is equal to its complement and y° is the measure of an angle which is equal to its supplement. Find the x° + y°.
18.
A system of two linear equations having same two variables but having no solution is known as inconsistent system of linear equation.
19.
Which of the following is/are true?
20.
Which of the following is not correct about the properties of a circle?