Mathematics 10th Class English Medium Online Test

• 90° A
• 45° B
• 60° C
• 30° D

In a proportion a : b :: c : d, b and c are called:

• Means A
• Extremes B
• Fourth proportional C
• None of these D

A central angle is subtended by two radii with the vertex at the ______ of the circle:

• Arc A
• Radius B
• Centre C
• Chord D

Sum of the cube roots of unity is:

• 0 A
• 1 B
• -1 C
• 3 D

The symbol used to denote a second is:

• 1°, 1' A
• 1° B
• 1" C
• 1' D

• 
  A
• -1 B
• 
  C
• 
  D

The measure of a central angle of minor arc of a circle is _______ that of the angle substends by corresponding major arc:

• Half A
• Equal B
• Double C
• Triple D

Cos 60^o =.................................

• 1/2 A
• √3/2 B
• 2 C
• 2/√3 D

The spread or scatterness of observations in a data set is called:

• Average A
• Dispersion B
• Central tendency C

If set has 3 and B has 2 elements then number binary relations of A x B.

• 2² A
• 2⁸ B
• 2⁶ C
• 2³ D

Two square roots of unity are:

• 1,-1 A
• 
  B
• 
  C
• 
  D

If an arc of a circle subtends a central angle of 60°, then the corresponding chord of the arc will make the central angle of:

• 20° A
• 40° B
• 60° C
• 80° D

K is known as:

• Sign of proportionality A
• Extremes B
• Constant of proportionality C
• Means D

Quadratic equation is also known as equation of:

• Standard form A
• Polynomials B
• Second degree C
• Higher order D

Formula of arc length is.

• l=rθ A
• r=lθ B
• θ =lr C
• l=r/θ D