ANSWERS GRADED A+
◉ If x and y are two whole numbers such that x^y = 121, then the value
of (x−1)y−1 would be?
A. 1
B. 10
C. 121
D. 1000. Answer: B
◉ A ladder of a certain fixed length leans against a wall forming a 60ᵒ
angle between the ground and the ladder. If the bottom of the ladder is
10 feet away from the wall, how long is the ladder?
A. 20 feet
B. 10 feet
C. 5 feet
D. 1.54 feet. Answer: A
◉ An angle is equal to one fourth of its supplement. What would be the
measure of that angle?
A. 18
,B. 36
C. 45
D. 72. Answer: B
◉ The complement of an angle exceeds the angle by 60ᵒ. Then the angle
would be?
A. 30
B. 15
C. 35
D. 90. Answer: 15
◉ If the difference between the two acute angles of a right triangle is
10ᵒ, what will be the measure of the smaller one?
A. 50
B. 40
C. 80
D. 70. Answer: B
◉ A circle is inscribed in a square of area 4. What will be the area of the
circle?
A. 2 π
B. π
C. 16 π
, D. π/2. Answer: B
◉ The circumference of a circle is xπ units and the area of the circle is
yπ units. If x = y, what would be the radius of the circle?
A. 1
B. 3
C. π
D. 2. Answer: D
◉ If A is the area and C is the circumference of the circle, which of the
following shows the relation of A in terms of C?
A. 2C
B. 2C2√π
C. C2/4π
D. 4πC. Answer: C
◉ If there are 1050 students in a school and the ratio of boys to girls is
9:5, then what is the number of boys in the school?
A. 800
B. 675
C. 650
D. 445. Answer: C