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

If y = x² + 1 _______________ x changes from 3 to 3.02 then dy = __________

• 0.1204 A
• .12 B
• .02 C
• 1.2 D

The equation of a straight line which parallel to the line 3x - 2y + 5 = 0 and passes through (2, -1) is:

• 3x + 2y - 8 = 0 A
• 3x - 2y + 8 = 0 B
• 3x - 2y - 8 = 0 C
• 3x + 2y + 8 = 0 D

The axis of the parabola y² = 4ax is:

• x = 0 A
• x = a B
• y = 0 C
• y = a D

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

• Parallel lines A
• Perpendicular lines B
• Non-parallel lines C
• None of these D

Which are the following triples can be direction angles of a single vector:

• 45°,45°,60° A
• 30°,45°,60° B
• 45°,60°,60° C
• 30°,30°,30° D

A point of a solution region where two of its boundary lines intersects is called a __________ point of the solution region:

• Maximum A
• Corner B
• Minimum C
• None of these D

• 
  A
• 
  B
• 
  C
• 2 D

• 
  A
• 
  B
• 
  C
• 
  D

A function, in which the variables are __________ numbers, then function is called a real valued function of real numbers.

• Complex A
• Rational B
• Real C
• None of these D

• domain A
• range B
• lower limit C
• upper limit D

The linear function f(x) = ax + b is an identity function if:

• a = 0, b = 1 A
• a = 1, b = 0 B
• a = 1, b = 1 C
• a = 0, b = 1 D

• 4 A
• Does not exist B
• 
  C
• 
  D

• 0 A
• 1 B
• -1 C
• 2 D

• x - axis A
• z - axis B
• y - axis C
• None of these D

• Even A
• Odd B
• One-one C
• Zero D

A linear equation in two variables represents:

• Circle A
• Ellipse B
• Hyberbola C
• Straight line D

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

A chord containing the center of the circle is called ______ of the circle:

• Diameter A
• Chord B
• Radius C
• None of these D

If any two vectors of scalar triple product are equal, then its value is equal to:

• 0 A
• 1 B
• -1 C
• 2 D