Aptitude and Reasoning Questions

Q:

If 2cosAsinB = x, then the value of x is?

A) sin(A+B) + sin(A­-B) B) cos(A+B) + cos(A­-B)
C) sin(A+B) ­- sin(A-­B) D) cos(A­-B) -­ cos(A+B)
 
Answer & Explanation Answer: C) sin(A+B) ­- sin(A-­B)

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Q:

If (1/4 of x) - (4/5 of 6/7) equals - 9/7, then value of x is

A) -12 B) -2.4
C) -3.6 D) -14
 
Answer & Explanation Answer: B) -2.4

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Q:

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of sec C.sin A?

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

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Q:

The value of 8(sin6θ + cos6θ) - 12(sin4θ + cos4θ) is equal to

A) 20 B) -20
C) 4 D) -4
 
Answer & Explanation Answer: D) -4

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Q:

In the following question, select the related number from the given alternatives.
 
47 : 57 : : 93 : ?

A) 103 B) 122
C) 114 D) 98
 
Answer & Explanation Answer: A) 103

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Q:

The value of 1+tan2(1-sin2) is

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

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Q:

What is the place value and face value of 9 in 68956 respectively?

A) 9, 900 B) 900, 9
C) 9, 9 D) 9000, 900
 
Answer & Explanation Answer: B) 900, 9

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Q:

ABC is an equilateral triangle and P is the orthocenter of the triangle, then what is the value (in degrees) of ∠BPC?

A) 90 B) 120
C) 135 D) 145
 
Answer & Explanation Answer: B) 120

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