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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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What is the simplified value of $\sqrt{12} - \frac{1}{\sqrt{3}}$ ?

A) 5√3	B) 5/√3
C) 3√5	D) 3/√5

A) 5√3

B) 5/√3

C) 3√5

D) 3/√5

Answer & Explanation Answer: B) 5/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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If $\cos^{2} x + \cos^{4} x = 1, then \tan^{2} x + \tan^{4} x =$

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

A) 0

B) 1

C) 2tanx

D) tanx

Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Simplify $486 b^{3} x^{2} a^{4} z^{3} / 27 a^{3} b^{2} z$

A) 18bx2az2	B) 18bx2a2z
C) 36ba2z	D) 36bxaz

A) 18bx2az2

B) 18bx2a2z

C) 36ba2z

D) 36bxaz

Answer & Explanation Answer: A) 18bx2az2

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Filed Under: Simplification
Exam Prep: Bank Exams

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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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Filed Under: Simplification
Exam Prep: Bank Exams

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Length and breadth of a rectangle are increased by 40% and 70% respectively. What will be the percentage increase in the area of rectangle?

A) 118	B) 110
C) 138	D) 128

A) 118

B) 110

C) 138

D) 128

Answer & Explanation Answer: C) 138

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Filed Under: Area
Exam Prep: Bank Exams

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In a bag the ratio of red balls to green balls is 4 : 9. If 6 more green balls were added to the bag, the ratio of red balls to green balls would become 1 : 3. How many red balls are there in the bag?

A) 9	B) 10
C) 8	D) 12

A) 9

B) 10

C) 8

D) 12

Answer & Explanation Answer: C) 8

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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In the following question, select the odd letter/letters from the given alternatives.

A) PLH	B) MHD
C) NJF	D) KGC

A) PLH

B) MHD

C) NJF

D) KGC

Answer & Explanation Answer: B) MHD

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?

A) 3/4	B) 5/3
C) 4/5	D) 4/3

A) 3/4

B) 5/3

C) 4/5

D) 4/3

Answer & Explanation Answer: B) 5/3

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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