6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Simplify $(b^{2} x 3 a^{2} z^{4}) \times (b^{2} x 4 a^{4} z 3) / (a^{3} b^{2} z 4)$

A) b2x7a3z3	B) b3x7a3 z3
C) b2x5a3 z3	D) b2x7a3z2

Answer & Explanation Answer: A) b2x7a3z3

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Filed Under: Simplification
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Q:

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

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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Q:

Find the difference between place value and face value of 7 in 589573212.

A) 693	B) 6993
C) 69993	D) 699993

Answer & Explanation Answer: C) 69993

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

The centroid of an equilateral triangle ABC is G. If AB is 6 cms, the length of AG is

A) √3 cm	B) 2√3 cm
C) 3√2 cm	D) 2√2 cm

Answer & Explanation Answer: B) 2√3 cm

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

$If y = \frac{2 - x}{1 + x}, then what is the value of \frac{1}{y + 1} + \frac{2 y + 1}{y^{2} - 1} ?$

A) (1+x)(2-x)2x-1	B) (1-x)(2+x)x-1
C) (1+x)(2-x)1-2x	D) (1+x)(1-2x)2-x

Answer & Explanation Answer: C) (1+x)(2-x)1-2x

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

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Q:

The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?

A) 25	B) 29
C) 21	D) 33

Answer & Explanation Answer: C) 21

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Rajat sells a machine for Rs 53 lakhs at a loss. Had he sold it for Rs 64 lakh, his gain would have been 10 times the former loss. Find the cost price of the machine.

A) Rs 63 lakhs	B) Rs 69.3 lakhs
C) Rs 45 lakhs	D) Rs 54 lakhs

Answer & Explanation Answer: D) Rs 54 lakhs

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

$\tan^{3} A is equal to$

A) 3tanA - tan3A(1 - 3tan2A)	B) 3tanA + tan3A(1 - 3tan2A)
C) 3tanA - tan3A(1 + 3tan2A)	D) 3tanA + tan3A(1 + 3tan2A)

Quantitative Aptitude - Arithmetic Ability Questions

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