Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the reflection of the point (-0.5, 6) in the x-axis?

A) (0.5, -6) B) (-6, -0.5)
C) (6, -0.5) D) (-0.5, -6)
 
Answer & Explanation Answer: D) (-0.5, -6)

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Q:

If ( x - 5)2 + (y - 2)2 + (z - 9)2 = 0 , then value of (x + y - z) is

A) 16 B) -1
C) -2 D) 12
 
Answer & Explanation Answer: C) -2

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Q:

What is the value of sin ­-300°?

A) 1 B) √3/2
C) ­1/2 D) √3/2
 
Answer & Explanation Answer: D) √3/2

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Q:

AB is the diameter of a circle with center O and P be a point on its circumference. If POA = 120°, then the value of PBO is

A) 30° B) 60°
C) 50° D) 40°
 
Answer & Explanation Answer: B) 60°

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Q:

If the angle of elevation of the sun decreases from 45° to 30°, then the length of the shadow of a pillar increases by 60m. The height of the pillar is

A) 60(√3+1) m B) 30(√3-1) m
C) 30(√3+1) m D) 60(√3-1) m
 
Answer & Explanation Answer: C) 30(√3+1) m

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Q:

An octahedron has 6 vertices. How many edges does it have?

A) 8 B) 12
C) 6 D) 10
 
Answer & Explanation Answer: B) 12

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Q:

What is the reflection of the point (3,-5) in the origin?

A) (-3, -5) B) (5,-3)
C) (-5,-3) D) (-3, 5)
 
Answer & Explanation Answer: D) (-3, 5)

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Q:

If 1/6 of x - 7/2 of 3/7 equals - 7/4, then the value of x is

A) -1.5 B) 3
C) -2.5 D) 6
 
Answer & Explanation Answer: A) -1.5

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