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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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x, y and z are real numbers. If $x^{3} + y^{3} + z^{3} = 13, x + y + z = 1$ and xyz = 1, then what is the value of xy + yz + zx?

A) -1	B) 1
C) 3	D) -3

A) -1

B) 1

C) 3

D) -3

Answer & Explanation Answer: D) -3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1741

In these tests find the Odd figure out

A) a	B) b
C) c	D) d

A) a

B) b

C) c

D) d

Answer & Explanation Answer: D) d

Explanation:

In all the squares, the direction of open face of all inner one is in different direction. But in option D there is 2 open face that faces the same direction i.e. south direction

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Exam Prep: Bank Exams

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

A) AJ	B) EN
C) NW	D) PW

A) AJ

B) EN

C) NW

D) PW

Answer & Explanation Answer: D) PW

Explanation:

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Find the odd word/letter/number pair from the given alternatives

A) 14, 12	B) 24, 7
C) 42, 4	D) 37, 4

A) 14, 12

B) 24, 7

C) 42, 4

D) 37, 4

Answer & Explanation Answer: D) 37, 4

Explanation:

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Exam Prep: Bank Exams

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Find the curved surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.

A) 792	B) 728
C) 528	D) 493

A) 792

B) 728

C) 528

D) 493

Answer & Explanation Answer: C) 528

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

1 1740

If x/2 - [4(15/2 - x/3)]/3 = -x/18, then what is the value of x?

A) -10	B) 9/8
C) 10	D) -9/8

A) -10

B) 9/8

C) 10

D) -9/8

Answer & Explanation Answer: C) 10

Explanation:

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A boy walking at the speed of 4 km/hr covers a certain distance in 6 hours 15 minutes. If he covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of the cycle?