MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
540 UNIT 09 Algebra and Trigonometry
129)
If x = 5 and y = 2, find the value of (x + y)² − (x − y)²
A.
B.
C.
D.
130)
Find the square of (3x − 2):
A.
B.
C.
D.
131)
Simplify: (x⁴)(x³)
A.
B.
C.
D.
132)
Evaluate: (3²)³
A.
B.
C.
D.
133)
If 2⁵ = x, then log₂x = ?
A.
B.
C.
D.
134)
Which of the following is equal to a⁻²?
A.
B.
C.
D.
135)
Simplify: (a²b³)²
A.
B.
C.
D.
136)
If x⁰ = ?, then:
A.
B.
C.
D.
137)
(2a²b)³ = ?
A.
B.
C.
D.
138)
Simplify: (x²/y³)²
A.
B.
C.
D.
139)
What is the value of (1/2)⁻²?
A.
B.
C.
D.
140)
Simplify: (a³b⁻²)/(a⁻²b³)
A.
B.
C.
D.
141)
In a right-angled triangle, the side opposite to the angle θ is called:
A.
B.
C.
D.
142)
In a right triangle, hypotenuse² = base² + height². This is:
A.
B.
C.
D.
143)
A ladder 10 m long leans against a wall making 60° with the ground. Height reached on the wall = ?
A.
B.
C.
D.
144)
A man observes the top of a tower at 30° angle of elevation from a point 100 m away. Height of the tower is:
A.
B.
C.
D.