First Year Mathematics Chapter 7 Online MCQ Test for 1st Year Mathematics Chapter 7 (Permutation, Combination and Probability)

• 
  A
• 
  B
• 
  C
• 
  D

Domain of the function y = tan^-1 x is:

• 
  A
• 
  B
• 
  C
• 
  D

y = sin^-1 x if and only if x = sin y, where:

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• tan x A
• cot x B
• 
  C
• 
  D

A triangle which is not right angle triangle called ________ triangle:

• acute A
• obtuse B
• right C
• oblique D

The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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

In any triangle ABC, law of tangents is:

• 
  A
• 
  B
• 
  C
• all of these D

• 
  A
• 
  B
• 
  C
• 
  D

If 2s = a + b + c, then in any triangle ABC:

• 
  A
• 
  B
• 
  C
• all of these D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 0 A
• 
  B
• 
  C
• 
  D

The domain of principal cosine function is:

• 
  A
• 
  B
• 
  C
• 
  D

In triangle ABC, if α = 90° then:

• 
  A
• 
  B
• 
  C
• none of these D

If triangle ABC, If ß = 90° then:

• 
  A
• 
  B
• 
  C
• none of these D

r₃ =

• 
  A
• 
  B
• 
  C
• 
  D

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

• 
  A
• 
  B
• 
  C
• none of these D

A circle drawn inside a triangle and touching its sides is known as:

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D