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

• rationalnumber A
• irrationalnumber B
• naturalnumber C
• wholenumber D

No. of arrangements of the letters of the word PAKISTAN can be made, taken all together ?

• 21160 A
• 20160 B
• 20170 C
• 20016 D

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

• 
  A
• 
  B
• 
  C
• none of these D

• A.P A
• G.P B
• H.P C
• none D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

For what value of k, the roots of the equation x² + √k x + 2 = 0 are equal:

• 1 A
• 8 B
• 2 C
• 4 D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• ab - cd = 0 A
• ac - bd = 0 B
• ad - bc = 1 C
• ad - bc = 0 D

• A and B are power sets A
• A and B are disjoint sets B
• A and B are super sets C
• A and B are equal sets D

The distance between the points P(x1, y1) and Q(x2, y2) is:

• 
  A
• 
  B
• 
  C
• 
  D

If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in:

• I A
• II B
• III C
• IV D

In any triangle ABC, law of cosines is:

• 
  A
• 
  B
• 
  C
• 
  D

5x² + 8x + 3 = 0 is:

• 
  A
• 
  B
• 
  C
• 
  D

• 0 A
• 
  B
• 
  C
• 
  D

The period of tan x is:

• 
  A
• 
  B
• 
  C
• 
  D

• Additive property A
• Multiplicativeproperty B
• Reflexiveproperty C
• Transitive property D

If each element of a 3 × 3 matrix A is multiplied by 3, then the determinant of the resulting matrix is:

• |A|³ A
• 27|A| B
• 3|A| C
• 9|A| D

• 9 A
• -9 B
• -6 C
• none D