Aptitude and Reasoning Questions

Q:

What is the value of sin (–π/3) + cos(–π/6)?

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

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Q:

If secA/(secA ­- 1) + secA/(secA + 1) = x, then x is

A) 2cosec2A B) 2sec2A
C) 2cosecA D) 2secA
 
Answer & Explanation Answer: A) 2cosec2A

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Q:

If tanA = x, then x is

A) √(cosec2A + 1) B) √(sec2A + 1)
C) √(cosec2A - 1) D) √(sec2A - 1)
 
Answer & Explanation Answer: D) √(sec2A - 1)

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Q:

In triangle ABC, BAC = 90 deg and AD is perpendicular to BC. If AD = 6cm and BD = 4cm, then the length of BC is

A) 10 cm B) 12 cm
C) 13 cm D) 15 cm
 
Answer & Explanation Answer: C) 13 cm

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Q:

What is the simplified value of (sec4 A  tan2 A)  (tan4 A + sec2 A)?

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

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Q:

A person lent certain sum of money at 5% per annum simple interest and in 15 years the interest amounted to Rs 250 less than the sum lent. What was thesum lent (in Rs)?

A) 1000 B) 1500
C) 2400 D) 3000
 
Answer & Explanation Answer: A) 1000

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Q:

If sin = 2/3, find the value of secθ and cotθ

A) √5/2, 2/√5 B) 2/√5, 3/5
C) 3√5/5, √5/2 D) 3/5, 3√5/5
 
Answer & Explanation Answer: C) 3√5/5, √5/2

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Q:

Which of the following cube in the answer figure cannot be based on the unfolded cube in the question figure?

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

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Filed Under: Cubes and Dice
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