Aptitude and Reasoning Questions

Q:

If α + β = 90° and α:β = 2:1, then the ratio of cosα to cosβ is

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

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Q:

What is the value of (1/√3 + sin45 ) ?

A) √3+2 B) (√2+√3)/√6
C) (1+√6)/√3 D) (4+√3)/2
 
Answer & Explanation Answer: B) (√2+√3)/√6

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Q:

Which of the following interchanges in signs and numbers will make the given equation correct?
8 x 6 + 4 = 52

A) x and +, 8 and 52 B) + and x, 6 and 4
C) x and +, 8 and 4 D) + and x, 6 and 8
 
Answer & Explanation Answer: C) x and +, 8 and 4

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Filed Under: Arithmetical Reasoning
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Q:

In a triangle PQR, the side QR is extended to S. ∠QPR = 72° and ∠PRS = 110°, then the value of ∠PQR is

A) 38° B) 32°
C) 25° D) 29°
 
Answer & Explanation Answer: A) 38°

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Q:

If 30%6 = -5, 10%5 = -2 and 10%2 = -5, then find the value of 80%8 = ?

A) 40 B) 25
C) -10 D) 5
 
Answer & Explanation Answer: C) -10

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Filed Under: Coding and Decoding
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Q:

A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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Filed Under: Paper Folding
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Q:

If (1 - cos2A)/cosA = x, then the value of x is

A) cotA B) cosecA
C) tanA D) secA
 
Answer & Explanation Answer: C) tanA

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Q:

The length of a side of an equilateral triangle is 8 cm. The area of the region lying between the circum circle and the incircle of the triangle is (use: π = 22/7)

A) 50 1/7 sq.cm B) 50 2/7 sq.cm
C) 75 1/7 sq.cm D) 75 2/7 sq.cm
 
Answer & Explanation Answer: B) 50 2/7 sq.cm

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Filed Under: Area
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