11th Class FSc part 1 Mathematics Online Test

When two sides and included angle is given, then area of triangle is given by:

• 
  A
• 
  B
• 
  C
• all of these D

Amplitude of sin x is:

• R A
• [-1,1] B
• 0 C
• 1 D

The direction of an angle Θ is determined by its:

• value A
• magnitude B
• ratio C
• sign D

tan (-135°) =

• 0 A
• 1 B
• 
  C
• √2 D

The middle term in the expansion of (1+x)^1/2 is:

• T₂ A
• T₃ B
• does not exist C
• none of these D

• 2 A
• -2 B
• 5 C
• -5 D

A numbers exceeds its square root by 6, the number is:

• 6 A
• 3 B
• 9 C
• none of these D

• 
  A
• 
  B
• 
  C
• 
  D

S = {1, -1, 2, -2} is a group under:

• multiplication A
• subtraction B
• addition C
• none of these D

If sets A and B are equal then:

• 
  A
• 
  B
• 
  C
• 
  D

One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:

• 3 A
• 2 B
• 1 C
• 4 D

• scalarmatrix A
• diagonalmatrix B
• lower triangularmatrix C
• uppertriangularmatrix D

If S is a simple space and event E is (pic) then P(E) =

• 0 A
• -1 B
• >1 C
• none D

In a triangle ABC if a² - b² + c² = ac then < ß =

• 
  A
• 
  B
• 
  C
• 
  D

{2, 4, 6, 8, ...........} represents the set of:

• positive odd numbers A
• natural numbers B
• prime numbers C
• positive even numbers D

If a_n = (n + 1) a_n-1, a₁ = 1, second term of the sequence is:

• 3 A
• 1 B
• 2 C
• 4 D

if sin x + cos x = 0, then x = _________:

• 
  A
• 
  B
• 
  C
• none of these D

• 
  A
• 
  B
• 
  C
• 
  D

tan (270° + Θ) is equal:

• cot Θ A
• tan Θ B
• -cot Θ C
• -tan Θ D

• 5 A
• -5 B
• -4 C
• 4 D