1.
Is a : b = b : a possible?
2.
What are zeroes of a polynomial?
3.
How can you define the locus of a point as center of the wheel moving on a straight horizontal road?
4.
Find the compounded ratio of 2 : 3, 4 : 5 and 1 : 6.
5.
Total surface area of hemisphere is :
6.
What is inclination of a line?
7.
The quotient of two irrational numbers can be a rational number.
8.
Fill in the blanks: Compound interest for nth year is equal to the simple interest on the amount of …………th year?
9.
The corresponding altitudes of two similar triangles are 2.1 cm and 3.5 cm respectively. Find the ratio of their areas.
10.
In a quadratic equation ax² + bx + c = 0, b² − 4ac > 0, then:
11.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.
12.
In a quadratic equation ax² + b + c = 0, b² − 4ac > 0 and not a perfect square.
14.
A system of two linear equations having same two variables but having no solution is known as inconsistent system of linear equation.
15.
A point P (2, -4) is reflected in a line x=1 to point P'. Find the co-ordinates of P'.
17.
The difference of two positive irrational numbers can be an rational number.
18.
A non-recurring non-terminating decimal number is always :
19.
The two opposite vertices of a square are (-1, 2) and (3, 2). Find the coordinates of the other two vertices.
20.
Which of the following is the relationship among mean, median and mode?