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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If cos 27° = x, the value of tan 63° is

A) x1-x2	B) x1+x2
C) 1-x2x	D) 1+x2x

A) x1-x2

B) x1+x2

C) 1-x2x

D) 1+x2x

Answer & Explanation Answer: A) x1-x2

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Filed Under: Simplification
Exam Prep: Bank Exams

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If ax + by = 1 and $bx + ay = \frac{2 ab}{a^{2} + b^{2}}$ then $(x^{2} + y^{2}) (a^{2} + b^{2})$ is equal to

A) 1	B) 2
C) 0.5	D) 0

A) 1

B) 2

C) 0.5

D) 0

Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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In what time(in years) will Rs. 8000 amount to Rs. 9261 at 5% per annum, compounded annually?

A) 3	B) 3.5
C) 4	D) 4.5

A) 3

B) 3.5

C) 4

D) 4.5

Answer & Explanation Answer: A) 3

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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At what rate of compound interest per annum will a sum of Rs 20000 become Rs 25088 in 2 years?

A) 24 percent	B) 8 percent
C) 12 percent	D) 16 percent

A) 24 percent

B) 8 percent

C) 12 percent

D) 16 percent

Answer & Explanation Answer: C) 12 percent

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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If ${(\sqrt{3} + 1)}^{2} = x + \sqrt{3 y},$ then the x+y is

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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Find the value of ${[6 {[8^{\frac{1}{3}} + 64^{\frac{1}{3}}]}^{3}]}^{\frac{1}{4}}$

A) 5	B) 6
C) 36	D) 216

A) 5

B) 6

C) 36

D) 216

Answer & Explanation Answer: B) 6

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Filed Under: Simplification
Exam Prep: Bank Exams

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What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

A) 1/2	B) 1/√2
C) 1	D) 1/3

A) 1/2

B) 1/√2

C) 1

D) 1/3

Answer & Explanation Answer: C) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

2 1458

Find the least number which when divided by 20, 25, 35 and 40 leaves remainder 14, 19, 29 and 34 respectively?

A) 1394	B) 1384
C) 1364	D) 1374

A) 1394

B) 1384

C) 1364

D) 1374

Answer & Explanation Answer: A) 1394

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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