1.
Cost of the 5 pens and 7 notebooks is Rs.82 and cost of 4 pens and 4 notebooks is Rs.52. Find the cost of 2 notebook and 3 pens.
2.
5.63256565656 …….. is:
3.
In logarithms, which of the given options is true?
4.
Find the quadratic equations whose zeroes are −½ and ⅔.
5.
What should be subtracted from x³ + 2x² -3x +6, so that the difference is a multiple of x − 2 ?
6.
Which of the following terms and conditions must be there if ax² + bx + c = 0 is to be a quadratic equation?
7.
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.
8.
A, B, C and D are concyclic. AC bisects BD. If the AB = 9 cm, BC = 8 cm and CD = 6 cm, the find the measure of AD.
9.
If the quadratic x2 + ( a – 4 ) x + ( a + 4 ) is a perfect square, then a = ________
10.
A non-recurring non-terminating decimal number is always :
11.
4n = 4096, then find 2n – 5.
12.
If the roots of 3×2 – 12x + k = 0 are complex, then find the range of k.
13.
If p + q =15 and pq=54, then p – q can be
14.
Which of the following is different from a line ?
15.
In a quadratic equation ax² + bx + c = 0, b² − 4ac < 0, then:
16.
In a quadratic equation ax² + bx + c = 0, b² − 4ac > 0 and not a perfect square.
17.
For a quadratic polynomial p(x) = ax² + bx + c, the sum of zeroes of the polynomial is:
18.
Two cubes are with edge 'n' cm are joined together to form a cuboid. Find the ratio of the surface area of two cubes to the surface area of the cuboid.
19.
The quotient of two irrational numbers can be a rational number.
20.
Which of the following is/are true?
