1.
5.63256565656 …….. is:
3.
In a quadratic equation ax² + bx + c = 0, b² − 4ac > 0, then:
4.
A point P (2, -4) is reflected in a line x=1 to point P'. Find the co-ordinates of P'.
5.
How can you define the locus of a point as center of the wheel moving on a straight horizontal road?
6.
Find the quadratic equations whose zeroes are −½ and ⅔.
8.
The two opposite vertices of a square are (-1, 2) and (3, 2). Find the coordinates of the other two vertices.
9.
Is a : b = b : a possible?
10.
The difference of two positive irrational numbers can be an rational number.
11.
What is inclination of a line?
12.
How can you define the locus of a point as center of the wheel moving on a straight horizontal road?
13.
The corresponding altitudes of two similar triangles are 2.1 cm and 3.5 cm respectively. Find the ratio of their areas.
14.
All the terms of in-equation can be shifted to other side :-
15.
In a quadratic equation ax² + b + c = 0, b² − 4ac > 0 and not a perfect square.
16.
The product of two irrational numbers can be a rational number.
17.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.
18.
Which of the following terms and conditions must be there if ax² + bx + c = 0 is to be a quadratic equation?
19.
Is a : b = b : a possible?
20.
It is possible to have ratio as 3 : 0 or 0 : 3