Aptitude and Reasoning Questions

Q:

A solid sphere of radius 3 cm is melted to form a hollow right circular cylindrical tube of length 4 cm and external radius 5 cm. The thickness of the tube is

A) 1 cm B) 9 cm
C) 0.6 cm D) 1.5 cm
 
Answer & Explanation Answer: A) 1 cm

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Filed Under: Area
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Q:

A piece of wire 132 cm long is bent successively in the shape of an equilateral triangle, a square and a circle. Then area will be longest in shape of

A) Circle B) Equilateral triangle
C) Square D) Equal in all the shapes
 
Answer & Explanation Answer: A) Circle

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Filed Under: Area
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Q:

In the following square represents Priests, triangle represents Singers, circle represents Therapists and rectangle represents Indians. Which set of letters represents Indians who are not Priests?

A) E,F B) I,G
C) E,A,F D) G,E,A
 
Answer & Explanation Answer: C) E,A,F

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Filed Under: Image Analysis
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Q:

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:

A) 2:3 B) 4:9
C) 3:2 D) 9:4
 
Answer & Explanation Answer: C) 3:2

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Filed Under: Time and Work
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Q:

In a motor of 120 machine parts, 5% parts were defective. In another motor of 80 machine parts, 10% parts were defective. For the two motors considered together, the percentage of defective machine parts were

A) 7 B) 6.5
C) 7.5 D) 8
 
Answer & Explanation Answer: A) 7

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Filed Under: Percentage
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Q:

If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b

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

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Filed Under: Simplification
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Q:

In the following question, select the related letters from the given alternatives.
AGN : IOV : : BLM : ?

A) JTU B) KTU
C) JUV D) TUJ
 
Answer & Explanation Answer: A) JTU

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Filed Under: Analogy
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Q:

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

A) 1 B) 3
C) 31 D) 2
 
Answer & Explanation Answer: A) 1

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