Aptitude and Reasoning Questions

Q:

If tan4θ + tan2θ = 2, then sec4θ - sec2θ = ?

 

A) 0 B) 3
C) 2 D) 1
 
Answer & Explanation Answer: C) 2

Explanation:
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Q:

Sinθ Cos(90 - θ) + Cosθ Sin(90 - θ) = 

 

A) 1 B) 2
C) -1 D) 0
 
Answer & Explanation Answer: A) 1

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Q:

Find the odd man out of the following number series?

22, 26, 42, 78, 142, 244

A) 244 B) 142
C) 78 D) 42
 
Answer & Explanation Answer: A) 244

Explanation:

The given number series 22, 26, 42, 78, 142, 244 follows a pattern that,

2222 + 22 = 22 + 4 = 2626 + 42 = 26 + 16 = 4242 + 62 = 42 + 36 = 7878 + 82 = 78 + 64 = 142142 + 102 = 142 + 100 = 242 

 

Hence, the odd one in the given number series is 244.

 

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Q:

Cos2 90° + Cosec2 90° - Cot2 45° = ?

 

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

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Q:

What is the total length intercepted between both the axes by the line 8x+4y=40?

 

A) 5   B)  10  
C)  15   D)  20
 
Answer & Explanation Answer: C)  15  

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Q:

Based on the analogy given, find the missing word from the given options.

 

Mother : Child :: Cloud : ?

 

A) Rain B) Thunder 
C) Water D) Weather
 
Answer & Explanation Answer: A) Rain

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Q:

Seismography : Earthquake :: Taseometer : ?

A) Landslides B) Strains
C) Resistances D) Volcanoes
 
Answer & Explanation Answer: B) Strains

Explanation:

Seismography is an instrument to measure the intensity of an earthquake.

Similarly, taseometer is an instrument to measure strains.

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Q:

In the following question, select the related number from the given alternatives.

43 : 70 : : 94 : ?

A) 121 B) 134
C) 144 D) 169
 
Answer & Explanation Answer: A) 121

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