1.
Which of the following is correct about the properties of a circle?
2.
In a circle, there is 30 cm long chord. If the radius of the circle is 17 cm, find the distance of chord from the center.
3.
If a² – b² = 36 and a + b =4, then (a – b)² =———-
4.
For what value of K is 16x² + 24xy + K a perfect square?
5.
Find the minimum value of | x – 3 | − 11
6.
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?
7.
Which of the following is different from a line ?
8.
√X is a perfect square. Which of the following is/are true?
9.
In a quadratic equation ax² + bx + c = 0, b² − 4ac > 0 and not a perfect square.
10.
Which of the following is an irrational number?
11.
If the roots of 3×2 – 12x + k = 0 are complex, then find the range of k.
12.
For an equation ax² + bx + c = 0, the discriminant (D) ≥ 0, then:
13.
Which of the following is/are true?
14.
In logarithms, which of the given options is true?
15.
The polynomial x³ – 4x² + x – 4 on factorization gives
16.
In logarithms, which of the given options is true?
17.
Fill in the blanks: Compound interest for nth year is equal to the simple interest on the amount of …………the year?
18.
Find the quadratic equations whose zeroes are −½ and ⅔.
19.
What are common measures of central tendency?
20.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.