12th Class Mathematics MCQ Test With Answer for Mathematics Full Book

• f(x² + 1) A
• f(x) B
• 
  C
• f(x²) D

Let f(x) = x², real valued function then domain of f is the set of all:

• Real numbers A
• Integers B
• Positive numbers C
• Natural numbers D

• 1 (1 - 4) A
• 2x - 3 B
• x - 3 C
• x³ - 3x D

i.(j.k) =

• Meaningless A
• -1 B
• 1 C
• 2 D

The equ. of directrix of the parabola y² = -4ax is:

• x = a A
• x = - a B
• y = a C
• y = -a D

Infinite number of lines can pass through:

• One point A
• Two points B
• Three points C
• Four points D

• Line parallel to x-axis A
• Line parallel to y-axis B
• Line passing through the origin C
• Both (a) and (b) D

An integral of 3x² is:

• x³+c A
• 3 B
• 6x C
• x^2+c D

• e^-x sin x + c A
• -e^-x sin x + c B
• e^-xcosx + c C
• -e^-xsin x + c D

The small change in the value ofx, positive or negative is called the -------- of x.

• Increment A
• Differential B
• Derivative C
• none of these D

The point (2, 5) lies the lie 3x - y + 1 = 0

• Above A
• Below B
• On C
• None D

Angle between the lines x + y + 1 = 0 & x - y + 4 = 0 is:

• 30° A
• 45° B
• 60° C
• 90° D

The graph of the parabola x² = -4ay lies in quadrants:

• I and II A
• III and IV B
• II and III C
• I and III D

• One variable A
• Three variable B
• Two variable C
• Four variable D

Two imaginary tangents can be drawn to a circle from any point P(x₁, y₁) _______ the circle:

• Inside A
• On B
• Outside C
• None of these D

• f(x) A
• ln |f(x)| B
• f'(x) C
• ln |f'(x)| D

Gottfried Whilhelm Leibniz was a (an) ----- mathematician:

• German A
• English B
• Swiss C
• French D

y - ordinate of the centroid of triangle with vertices A(-2, 3) B(-4, 1), C(3, 2) is:

• 3 A
• 1 B
• 2 C
• 0 D

ax + b > c is an inequality of:

• One variable A
• Three variable B
• Two variable C
• Four variable D

The graph of linear equation of the form ax + by = c is a _________ where a, b and c are constants and a, b are not both zero.

• Curve A
• Circle B
• Straight line C
• Parabola D