1.
Which of the following is true for every rational number?
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.
Which of the following is different from a line ?
4.
A non-recurring non-terminating decimal number is always :
5.
If the quadratic x2 + ( a – 4 ) x + ( a + 4 ) is a perfect square, then a = ________
7.
A square sheet of maximum area is cut out from a circular piece of card board of diameter 21 cm. Find the area of the remaining card board.
8.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.
9.
In a quadratic equation ax² + bx + c = 0, b² − 4ac < 0, then:
10.
If 496 x 492 = x² - 4 (x>0), then x=--------
11.
In logarithms, which of the given options is true?
12.
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?
13.
If p + q =15 and pq=54, then p - q can be
14.
ab = ba but b ≠ a, then find a + b.
15.
Find the minimum value of | x – 3 | − 11
16.
Which of the following is correct about the properties of a circle?
17.
√X is a perfect square. Which of the following is/are true?
18.
The quotient of two irrational numbers can be a rational number.
19.
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.
20.
If A = { 1, 2, 3, 4 }, then how many subsets of A contain the element 1 but not 4 ?