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Mechanical - 540 UNIT 09 Algebra and Trigonometry - MCQ

101)   

 1 radian is equal to approximately:

A.
B.
C.
D.
Answer: C
102)   

 Convert 60° into radians. 

A.
B.
C.
D.
Answer: B
103)   

 Convert 1.57 radians to degrees

A.
B.
C.
D.
Answer: B
104)   

 The unit of angle in SI system is:

A.
B.
C.
D.
Answer: B
105)   

180° is equal to how many radians? 

A.
B.
C.
D.
Answer: B
106)   

 The angle of a full circle in radians is: 

A.
B.
C.
D.
Answer: B
107)   

 90° is how many radians? 

A.
B.
C.
D.
Answer: A
108)   

 If angle is given as 2π radians, it is equal to: 

A.
B.
C.
D.
Answer: A
109)   

 1 revolution = ? 

A.
B.
C.
D.
Answer: D
110)   

 The smallest positive angle between hour and minute hands at 2:00 is:

A.
B.
C.
D.
Answer: A
111)   

 If (x + 2)(x − 3) = x² − x − 6, then (x − 4)(x + 5) = ? 

A.
B.
C.
D.
Answer: A
112)   

What is the cube of (x + y)?

A.
B.
C.
D.
Answer: B
113)   

 Value of (a − b)³ = ?

A.
B.
C.
D.
Answer: B
114)   

 Value of a² + b² = ? 

A.
B.
C.
D.
Answer: C
115)   

(2x + 3)² = ? 

A.
B.
C.
D.
Answer: B
116)   

 If x² − 4x + 4 = 0, then x = ? 

A.
B.
C.
D.
Answer: A
117)   

 Expand: (3a − 4b)(3a + 4b) 

A.
B.
C.
D.
Answer: A
118)   

Find the square of (2x − 5y): 

A.
B.
C.
D.
Answer: A
119)   

 Simplify: (x² − y²)/(x − y)

A.
B.
C.
D.
Answer: A
120)   

 (a + b)(a − b) = ? 

A.
B.
C.
D.
Answer: B
121)   

 If x + y = 10 and xy = 21, then x² + y² = ?

A.
B.
C.
D.
Answer: B
122)   

 Simplify: (a + b)² − (a − b)²

A.
B.
C.
D.
Answer: B
123)   

 If (x − 3)(x + 3) = 64, then x = ? 

A.
B.
C.
D.
Answer: A
124)   

 If x² − 25 = 0, then x = ? 

A.
B.
C.
D.
Answer: B
125)   

 If x² − 5x + 6 = 0, find x. 

A.
B.
C.
D.
Answer: A