Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the value of x if 0.08x + 0.04y = 10 and 0.2(x-1) + 0.4y = 24.8

A) 125 B) 150
C) 1.25 D) 12.5
 
Answer & Explanation Answer: A) 125

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Q:

What is the value of Sin 30° + Cos 30°?

A) (√6 + 1)/√3 B) (√3 + 2)/√3
C) (1 + √3)/2 D) 5/√3
 
Answer & Explanation Answer: C) (1 + √3)/2

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Q:

At what point does the line 3x + 2y = -12 intercept the Y-axis?

A) (0,6) B) (0,-6)
C) (-4,0) D) (4,0)
 
Answer & Explanation Answer: B) (0,-6)

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Q:

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

A) WYA B) MNO
C) ACE D) EGI
 
Answer & Explanation Answer: B) MNO

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Q:

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

A) 8324 B) 9344
C) 7213 D) 8729
 
Answer & Explanation Answer: B) 9344

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Q:

Identify the odd one out from the following:

A) Alloy B) Air
C) Milk D) Water
 
Answer & Explanation Answer: D) Water

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Q:

Simplify 576b3x2a4z3/36a3b2z

A) 16bx2az2 B) 8bx2az2
C) 32ba2 z D) 32bxa2
 
Answer & Explanation Answer: A) 16bx2az2

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Q:

If cos 2π/3c = x, then the value of x is

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

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