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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

cosA/(1 -­ sin A) is equal to

A) (secA -­ tanA) B) (secA + tanA)
C) √[(secA + tanA)] D) √[(secA -­ tanA)]
 
Answer & Explanation Answer: B) (secA + tanA)

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Q:

ΔXYZ is right angled at Y. If m∠X = 30 deg, then find the value of (sinZ + √3).

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

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Q:

ΔDEF is right angled at E. If m∠D = 45°, then find the value of (tanF + 1/3).

A) 4/3 B) 3√3/2
C) (√2+1)/√2 D) (3√2+1)/3
 
Answer & Explanation Answer: A) 4/3

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Q:

A number exceeds its 1/6 by 30. What is the number?

A) 120 B) 150
C) 36 D) 24
 
Answer & Explanation Answer: C) 36

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Filed Under: Numbers
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Q:

The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is

A) 200(3+√3) meter B) 250(3+√3) meter
C) 150(3+√3) meter D) 160(3+√3) meter
 
Answer & Explanation Answer: C) 150(3+√3) meter

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

Which of the following numbers is not a prime number?

A) 197 B) 313
C) 439 D) 391
 
Answer & Explanation Answer: D) 391

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Filed Under: Problems on Numbers
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Q:

In Δ ABC , if ∠BAC = 90° and AB = AC , then ∠ABC is

A) 30° B) 60°
C) 45° D) 25°
 
Answer & Explanation Answer: C) 45°

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Q:

If a cylinder of radius 7 cm and height 9 cm is melted and constructed into a cone of the same radius, what will be the height of this cone?

A) 54 cm B) 9 cm
C) 27 cm D) 13.5 cm
 
Answer & Explanation Answer: C) 27 cm

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Filed Under: Volume and Surface Area
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