NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

Cos 315°=

• 0.707 A
• 0.5 B
• 1 C
• 0 D

In which quadrant is the solution of the equation sin x - 1 = 0

• II quadrants A
• II and III quadrants B
• III and IV quadrants C
• I quadrant D

If 0 < n < 1, n is a rational number, the number of terms in the expansion of (1 + X)ⁿare

• n + 1 A
• 2n B
• Infinitely many C
• 2n² D

If any two rows (or any two columns) of a square matrix are inter changed, the determinant of the resultant matrix is

• Same as the original determinant A
• Additive inverse of the original determinant
  B
• Both A and B C
• Adj of the original matrix D

The number of ways in which we can courier 5 packets to 10 cities is

• 2 x 5⁰ A
• 5¹⁰ B
• 10⁵ C
• 2¹⁰ D

If the sum of the roots of (a + 1)x²+ (2a + 3)x +(3a+4) = 0 is -1, then product of the roots is

• 1 A
• 2 B
• -2 C
• -1 D

• Unit matrix A
• Diagonal matrix B
• Nilpotent matrix C
• Zero matrix D

The associative angle of 280°is

• 100° A
• 10° B
• 80°
  
  C
• -80°
  
  D

• 15 A
• 60 B
• 90 C
• 20 D

Which of the following is the subset of all sets?

• 
  A
• {1, 2,3} B
• 
  C
• {0} D

• 
  A
• 
  B
• 
  C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D