Aptitude and Reasoning Questions

Q:

The average weight of 10 parcels is 1.7 kg. Addition of another new parcel reduces the average weight by 60 gram. What is the weight , in kg, of the new parcel?

A) 1.04 B) 1.08
C) 1.4 D) 1.8
 
Answer & Explanation Answer: A) 1.04

Explanation:
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Filed Under: Average
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Q:

If x + 1/x = 6, then value of x2 + 1/x2 is

A) 23 B) 16
C) 34 D) 32
 
Answer & Explanation Answer: C) 34

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Q:

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 315&3#9@4%6 = ?

A) 120 B) 190
C) 221 D) 420
 
Answer & Explanation Answer: A) 120

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Filed Under: Coding and Decoding
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Q:

If 3 tan θ = cot θ where 0 < θ < π/2, then what is the value of θ ?

A) π/6 B) π/4
C) π/2 D) 1
 
Answer & Explanation Answer: A) π/6

Explanation:
3tan θ = cot θ 
3tan θ = 1/tan θ
tan2θ = 1/3
tan θ = 1/√3
θ = π/6
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Q:

If x2 + y2 + 6x + 5 = 4(x - y) then x - y is

A) 1 B) -1
C) 0 D) 4
 
Answer & Explanation Answer: A) 1

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Q:

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

A) 90 B) 45
C) 60 D) 75
 
Answer & Explanation Answer: B) 45

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Filed Under: Time and Work
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Q:

If a mirror is placed on the line MN, then which is the right figure of the question figure?

A) 1 B) 2
C) 3 D) None
 
Answer & Explanation Answer: C) 3

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Filed Under: Image Analysis
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Q:

The value of  (0.3)2/100=?

A) 0.09 B) 0.0009
C) 0.009 D) 0.9
 
Answer & Explanation Answer: B) 0.0009

Explanation:
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