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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If x + y + z = 6 and xy + zx + zy = 10, then find the value of $x^{3} + y^{3} + z^{3} - 3 xyz$

A) 16	B) 26
C) 36	D) 46

A) 16

B) 26

C) 36

D) 46

Answer & Explanation Answer: C) 36

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Exam Prep: Bank Exams

1 43238

∆DEF is right angled at E. If tanD = 12/5, then what is the value of secF ?

A) 5/12	B) 13/5
C) 5/13	D) 13/12

A) 5/12

B) 13/5

C) 5/13

D) 13/12

Answer & Explanation Answer: D) 13/12

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0 43149

If Sinx = 4/5, then $1 + {Tan}^{2} x =$

A) 9/25	B) 25/16
C) 4/25	D) 25/9

A) 9/25

B) 25/16

C) 4/25

D) 25/9

Answer & Explanation Answer: D) 25/9

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1 43091

If ${(x + y)}^{2} - xy = 0$ , then find the value of $\frac{x^{3} - y^{3}}{x - y}$ .

A) 2	B) 3
C) 0	D) 5

A) 2

B) 3

C) 0

D) 5

Answer & Explanation Answer: C) 0

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0 43070

If $x^{2} + kx + k = 0$ has repeated roots, then the value of k will satisfy :

A) k<0 or k>4	B) k=4 only
C) 0<k<4	D) k=4 or k=0

A) k<0 or k>4

B) k=4 only

C) 0<k<4

D) k=4 or k=0

Answer & Explanation Answer: D) k=4 or k=0

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0 43055

If $s + \frac{1}{s} = 4$ , then the value of $s^{2} + \frac{1}{s^{2}}$

A) 14	B) 16
C) 20	D) 24

A) 14

B) 16

C) 20

D) 24

Answer & Explanation Answer: A) 14

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0 43001

If $x^{2} = 25^{2} - 15^{2},$ then find the value of x?

A) 40	B) 50
C) 20	D) 25

A) 40

B) 50

C) 20

D) 25

Answer & Explanation Answer: C) 20

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0 42980

What is the value of [(√529) + (√5.29) + (√0.0529)]?

A) 25.323	B) 25.53
C) 23.253	D) 23.53

A) 25.323

B) 25.53

C) 23.253

D) 23.53

Answer & Explanation Answer: B) 25.53

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0 42963

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