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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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Point P (-2, 5) is the midpoint of segment AB. Co-ordinates of A are (-5, y) and B are (x, 3). What is the value of x?

A) 1	B) -1
C) 2	D) -2

A) 1

B) -1

C) 2

D) -2

Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?

A) 67	B) 45
C) -30	D) -48

A) 67

B) 45

C) -30

D) -48

Answer & Explanation Answer: C) -30

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Filed Under: Simplification
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What is the value of (2 - sin30°) ?

A) 3/2	B) 3/√2
C) 2-√3	D) (2√3-√6)/2√2

A) 3/2

B) 3/√2

C) 2-√3

D) (2√3-√6)/2√2

Answer & Explanation Answer: A) 3/2

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Find the value of 'a' for which $x + \sqrt{3 x} + \frac{a^{2}}{4}$ is a perfect square.

A) √3	B) 2√3
C) 3√3	D) 4√3

A) √3

B) 2√3

C) 3√3

D) 4√3

Answer & Explanation Answer: A) √3

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What is the value of cot 11π/6?

A) -√3	B) -1
C) √3	D) -1/2

A) -√3

B) -1

C) √3

D) -1/2

Answer & Explanation Answer: A) -√3

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If $a^{2} + \frac{1}{a^{2}} = 38$ , then find the value of $(a - \frac{1}{a})$ ?

A) 2	B) 4
C) 6	D) 8

A) 2

B) 4

C) 6

D) 8

Answer & Explanation Answer: C) 6

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The LCM of 72 and 84 is:

A) 12 × 6 × 7	B) 6 × 2 × 7
C) 12 × 7 × 3	D) 72 × 84

A) 12 × 6 × 7

B) 6 × 2 × 7

C) 12 × 7 × 3

D) 72 × 84

Answer & Explanation Answer: A) 12 × 6 × 7

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Filed Under: HCF and LCM
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If $\tan^{4} θ + \tan^{2} θ = 1$ then the value of $\cos^{4} θ + \cos^{2} θ$ is

A) 2	B) 0
C) 1	D) -1

A) 2

B) 0

C) 1

D) -1

Answer & Explanation Answer: C) 1

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