Quantitative Aptitude - Arithmetic Ability Questions

Q:

The co-ordinates of the centroid of a triangle ABC are (3,-2). What are the co-ordinates of vertex C if co-ordinates of A and B are (-2,5) and (6,-2) respectively?

A) (-5,-9) B) (5,-9)
C) (5,9) D) (-5,9)
 
Answer & Explanation Answer: B) (5,-9)

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Q:

If X is a prime number, LCM of X and its successive number would be

A) X B) X (X+1)
C) (X+1) D) X/(X+1)
 
Answer & Explanation Answer: B) X (X+1)

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Q:

If x+1x=5, then the value of x1+x+x2 is

A) 1/5 B) 1/6
C) 5 D) 6
 
Answer & Explanation Answer: B) 1/6

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Q:

PQRA is a rectangle, AP = 22 cm, PQ = 8 cm. ΔABC is a triangle whose vertices lie on the sides of PQRA such that BQ = 2 cm and QC = 16 cm .Then the length of the line joining the mid points of the sides AB and BC is

A) 4√2 cm B) 5 cm
C) 6 cm D) 10 cm
 
Answer & Explanation Answer: B) 5 cm

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Q:

A cylindrical vessel of height 5 cm and radius 4 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 6 cm. What will be the height of this cone? (Take π = 22/7)

A) 6.67 cm B) 2.22 cm
C) 3.33 cm D) 1.67 cm
 
Answer & Explanation Answer: A) 6.67 cm

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Q:

Find the odd word/letters/number from the given alternatives.

A) Throat B) Eye
C) Ear D) Skin
 
Answer & Explanation Answer: A) Throat

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Q:

At what point does the line 2x + 5y = -6 cuts the X-axis?

A) (3, 0) B) (0, 3)
C) (-3, 0) D) (0, -3)
 
Answer & Explanation Answer: C) (-3, 0)

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Q:

If a + b = 4 and ab = -5, then what is the value of a3 + b3?

A) 34 B) 36
C) 124 D) 126
 
Answer & Explanation Answer: C) 124

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