Quantitative Aptitude - Arithmetic Ability Questions

Q:

The co-ordinates of the centroid of a triangle ABC are (-1 , 4). What are the co-ordinates of vertex C if co-ordinates of A and B are (-3 , -1) and (3 , 5) respectively?

A) (-3 , 8) B) (3 , 8)
C) (-3 , -8) D) (3 , -8)
 
Answer & Explanation Answer: A) (-3 , 8)

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Q:

At what point does the line 3x + y = -6 intercept the x-axis?

A) (2,0) B) (-2,0)
C) (0,-6) D) (0,6)
 
Answer & Explanation Answer: B) (-2,0)

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Q:

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is

A) 12 cm B) 20 cm
C) 14 cm D) 16 cm
 
Answer & Explanation Answer: B) 20 cm

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Q:

The square root of 6084 is

A) 82 B) 78
C) 74 D) 76
 
Answer & Explanation Answer: B) 78

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Q:

From the top of a platform 7 m high, the angle of elevation of a tower was 30 deg. If the platform was positioned 50√3 m away from the tower, how tall was the tower?

A) 57 m B) 50 m
C) (25√3 + 7) m D) 25√3 m
 
Answer & Explanation Answer: D) 25√3 m

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Q:

The sum of the lengths of the edges of a cube is equal to half the perimeter of a square. If the numerical value of the volume pf the cube is equal to one-sixth of the numerical value of the area of the square, then the length of one side of the square is

A) 31.5 units B) 36 units
C) 27 units D) 18 units
 
Answer & Explanation Answer: B) 36 units

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Q:

The point of the intersection of three medians is known as the ____________.

A) circum-centre B) in-center
C) centroid D) orthocenter
 
Answer & Explanation Answer: C) centroid

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Q:

ΔDEF is right angled at E. If cosecD = 5/4, then what is the value of cosecF?

A) 5/3 B) 3/4
C) 4/5 D) 4/3
 
Answer & Explanation Answer: A) 5/3

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