1.
The quotient of two irrational numbers can be a rational number.
2.
The corresponding altitudes of two similar triangles are 2.1 cm and 3.5 cm respectively. Find the ratio of their areas.
3.
Which of the following terms and conditions must be there if ax² + bx + c = 0 is to be a quadratic equation?
4.
The two opposite vertices of a square are (-1, 2) and (3, 2). Find the coordinates of the other two vertices.
5.
How can you define the locus of a point as center of the wheel moving on a straight horizontal road?
6.
Which of the following is the relationship among mean, median and mode?
7.
What are zeroes of a polynomial?
8.
Total surface area of hemisphere is :
9.
The quotient of two irrational numbers can be a rational number.
10.
In a quadratic equation ax² + bx + c = 0, b² − 4ac < 0, then:
11.
Both sides of an inequation are positive or both sides are negative. If reciprocal of both sides are taken, the inequality sign :-
12.
Fill in the blanks: Compound interest for nth year is equal to the simple interest on the amount of …………th year?
13.
Is a : b = b : a possible?
14.
A non-recurring non-terminating decimal number is always :
15.
A system of two linear equations having same two variables but having no solution is known as inconsistent system of linear equation.
16.
A point P (2, -4) is reflected in a line x=1 to point P'. Find the co-ordinates of P'.
17.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.
18.
After how many decimals will a fraction with denominator 320 will terminate?
19.
The two opposite vertices of a square are (-1, 2) and (3, 2). Find the coordinates of the other two vertices.
20.
Find the quadratic equations whose zeroes are −½ and ⅔.