Quantitative Aptitude - Arithmetic Ability Questions

Q:

If X + Y + Z = 9 then the value of (X -­ 4)3 + (Y -­ 2)3 + (Z -­ 3)3 - 3 (X -­ 4) (Y -­ Z) (Z ­- 3) is

A) 6 B) 9
C) 0 D) 1
 
Answer & Explanation Answer: C) 0

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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:

A sum of Rs 4000 becomes Rs 5800 in 3 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

 

A) 4430   B) 5450  
C) 5290   D) 4970
 
Answer & Explanation Answer: C) 5290  

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Q:

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

A) Xenon B) Hydrogen
C) Argon D) Helium
 
Answer & Explanation Answer: B) Hydrogen

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) SKC B) ZRJ
C) ZSK D) VNF  
 
Answer & Explanation Answer: C) ZSK

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Q:

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

A) KP B) DW
C) GT D) CW
 
Answer & Explanation Answer: D) CW

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Q:

If x - √x = 20; Find the value of √x.

A) 5 B) 6
C) 8 D) 7
 
Answer & Explanation Answer: A) 5

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Q:

If tanA = x, then x is

A) √(cosec2A + 1) B) √(sec2A + 1)
C) √(cosec2A - 1) D) √(sec2A - 1)
 
Answer & Explanation Answer: D) √(sec2A - 1)

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