Aptitude and Reasoning Questions

Q:

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

A) Night blindness B) Scurvy
C) Beriberi D) AIDS
 
Answer & Explanation Answer: D) AIDS

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Filed Under: Odd Man Out
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Q:

If 2cos2A - 1 = x, then the value of x is

A) cosec4A - sin4A B) cos4A - sin4A
C) cos4A - tan4A D) cosec4A - tan4A
 
Answer & Explanation Answer: B) cos4A - sin4A

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Filed Under: Simplification
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Q:

If cot 135° = x, then the value of x is

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

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Q:

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

A) Anger B) Enquiry
C) Investigation D) Probe
 
Answer & Explanation Answer: A) Anger

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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

? , Hexane, Heptane, Octane

A) Pentane B) Benzene
C) Nonane D) Methane
 
Answer & Explanation Answer: A) Pentane

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Filed Under: Logical Sequence of Words
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Q:

The distance between two pillars is 120 metres. The height of one pillar is thrice the other. The angles of elevation of their tops from the midpoint of the line connecting their feet are complementary to each other. The height (in metres) of the taller pillar is (Use : √3 = 1.732)

A) 34.64 B) 51.96
C) 69.28 D) 103.92
 
Answer & Explanation Answer: D) 103.92

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Filed Under: Time and Distance
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Q:

Δ XYZ is right angled at Y. If m∠Z = 60°, then what is the value of (1/√2) Sec X?

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

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Q:

What is the value of Cot 45° + Cosec 60°?

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

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