1.
In logarithms, which of the given options is true?
2.
For what value of K is 16x² + 24xy + K a perfect square?
3.
In case of discounted sale, the sales tax is calculated on the printed price. Is it true or false?
4.
What is the smallest positive irrational number?
5.
In a quadrilateral, all angles are less than 180° and two of its diagonals lie completely inside the quadrilateral. The quadrilateral is known as:
6.
In a cyclic quadrilateral PQRS, PS = PQ, RS = RQ and ∠PSQ = 2∠QSR, then find ∠QSR.
7.
4n = 4096, then find 2n – 5.
8.
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.
9.
Which of the following is/are true?
10.
A 60 m high tower caste a shadow of 40 m long on the ground. What will be the length of the shadow of a needle 9 cm long at the same time?
11.
The discriminant of the equation x2 – 7x + 2 = 0 is
12.
Find the quadratic equations whose zeroes are −½ and ⅔.
13.
ab x ba,= 72 and a or b ≠ 1. Find the possible positive values of a + b.
14.
'x' is an integer satisfying 1 ≤ 2x + 3 ≤ 7. How many values there can be?
15.
Shiva's age is three times that of Ram. After 10 years Shiva's age will be three years more than twice the age of Ram. What is present age of Shiva?
16.
The maximum value of 23 – |2x + 3 | is
17.
What are common measures of central tendency?
18.
The product of two irrational numbers can be a rational number.
19.
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°.
20.
The area of a triangle is 108 cm². If the base is 13.5 cm, then find its corresponding height.
