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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If $a^{2} + 1 = 9 a, (a \neq 0)$ then the value of ${(a)}^{2} + \frac{1}{{(a)}^{2}}$ is

A) 81	B) 18
C) 79	D) 83

A) 81

B) 18

C) 79

D) 83

Answer & Explanation Answer: C) 79

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If a+1/a = 3, then $a^{3} + \frac{1}{a^{3}}$ ?

A) 12	B) 18
C) 9	D) 6

A) 12

B) 18

C) 9

D) 6

Answer & Explanation Answer: B) 18

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Exam Prep: Bank Exams

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What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

A) 3x - 5y = 15	B) 3x + 5y = 15
C) 3x - 5y = -15	D) 3x + 5y = -15

A) 3x - 5y = 15

B) 3x + 5y = 15

C) 3x - 5y = -15

D) 3x + 5y = -15

Answer & Explanation Answer: A) 3x - 5y = 15

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If $a = \frac{\sqrt{3} + \sqrt{2}}{\sqrt{3} - \sqrt{2}}, b = \frac{\sqrt{3} - \sqrt{2}}{\sqrt{3} + \sqrt{2}} then a^{2} + b^{2} - ab ?$

A) 97	B) (2√3) + 2
C) (4√6) + 1	D) 98

A) 97

B) (2√3) + 2

C) (4√6) + 1

D) 98

Answer & Explanation Answer: A) 97

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Select the odd word/letters/number/number pair from the given alternatives.

A) 67559	B) 45189
C) 56341	D) 54321

A) 67559

B) 45189

C) 56341

D) 54321

Answer & Explanation Answer: D) 54321

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select the odd word/letters/number/number pair from the given alternatives.

A) 23498	B) 9494
C) 6946	D) 15578

A) 23498

B) 9494

C) 6946

D) 15578

Answer & Explanation Answer: C) 6946

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Select the odd word/letters/number/number pair from the given alternatives.

A) AI	B) OU
C) AD	D) IO

A) AI

B) OU

C) AD

D) IO

Answer & Explanation Answer: C) AD

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In the following question, select the odd word pair from the given alternatives.

A) Mother – Sister	B) Father – Son
C) Son – Daughter	D) Friend – Sister

A) Mother – Sister

B) Father – Son

C) Son – Daughter

D) Friend – Sister

Answer & Explanation Answer: D) Friend – Sister

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