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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If $\frac{2 + a}{a} + \frac{2 + b}{b} + \frac{2 + c}{c} = 4$ , then the value of $\frac{ab + bc + ca}{abc}$ is

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

A) 2

B) 1

C) 0

D) 1/2

Answer & Explanation Answer: D) 1/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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ΔABC is an isosceles right angled triangle having ∠C = 90°. If D is any point on AB, then ${AD}^{2} + {BD}^{2}$ is equal to

A) CD2	B) 2CD2
C) 3CD2	D) 4CD2

A) CD2

B) 2CD2

C) 3CD2

D) 4CD2

Answer & Explanation Answer: B) 2CD2

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Filed Under: Area
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ΔPQR is right angled at Q. QS is the altitude. PQ is 4√29 cm and PS is 8 cm. Find length of SR?

A) 10√29 cm	B) 8√29 cm
C) 50 cm	D) 20 cm

A) 10√29 cm

B) 8√29 cm

C) 50 cm

D) 20 cm

Answer & Explanation Answer: C) 50 cm

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If $2 x + \frac{1}{3 x} = 5$ , the value of $\frac{5 x}{6 x^{2} + 20 x + 1}$ is

A) 1/4	B) 1/6
C) 1/5	D) 1/7

A) 1/4

B) 1/6

C) 1/5

D) 1/7

Answer & Explanation Answer: D) 1/7

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What is the value of (1+cosA)/(1-cosA)?

A) (cosecA - cotA)2	B) (cosecA + cotA)2
C) (secA + cotA)2	D) (secA - cotA)2

A) (cosecA - cotA)2

B) (cosecA + cotA)2

C) (secA + cotA)2

D) (secA - cotA)2

Answer & Explanation Answer: B) (cosecA + cotA)2

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Select the odd word from the given alternatives.

A) Almond	B) Dates
C) Walnut	D) Cashew

A) Almond

B) Dates

C) Walnut

D) Cashew

Answer & Explanation Answer: B) Dates

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If a - b = 1 and ab = 6, then what is the value of $a^{3} - b^{3}$ ?

A) 21	B) 23
C) 19	D) 25

A) 21

B) 23

C) 19

D) 25

Answer & Explanation Answer: C) 19

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If a + b = 4 and ab = -5, then what is the value of $a^{3} + b^{3}$ ?

A) 34	B) 36
C) 124	D) 126

A) 34

B) 36

C) 124

D) 126

Answer & Explanation Answer: C) 124

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