Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 3x2 - ax + 6 = ax2 + 2x + 2 has only one (repeated) solution, then the positive integral solution of a is

A) 4 B) 5
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

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Q:

If A : B = 3 : 5, then what is the value of A + B : B?

A) 2 : 1 B) 6 : 5
C) 8 : 5 D) 8 : 3
 
Answer & Explanation Answer: C) 8 : 5

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Q:

At what point does the line 2x - 3y = 6 cuts the X axis?

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

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Q:

Determine the largest 4 digit number which is a perfect square.

A) 9999 B) 9702
C) 9604 D) 9801
 
Answer & Explanation Answer: D) 9801

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Q:

If 51.97 ­ (81.18 -­ x ) ­- 59.39 = 5.268, then value of x will be

A) - 24.912 B) - 68.492
C) 93.868 D) 197.808
 
Answer & Explanation Answer: C) 93.868

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Q:

Which of the following quadratic equations has real roots?

A) 4x2 - 3x + 6 = 0 B) 2x2 + 7x + 6 = 0
C) x2 - 2x + 4 = 0 D) 3x2 - 4x + 3 = 0
 
Answer & Explanation Answer: B) 2x2 + 7x + 6 = 0

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) CEF B) GIJ
C) LNO D) STW
 
Answer & Explanation Answer: D) STW

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Q:

If 3cos2x - 2sin2x = -0.75 and 0° x  90°, then x = ?

 

A) 30 deg B) 90 deg
C) 60 deg D) 45 deg
 
Answer & Explanation Answer: C) 60 deg

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