6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Coefficient of x in (x + 9)(8 - 5x) is

A) 37	B) -53
C) -37	D) 53

Answer & Explanation Answer: C) -37

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the area of quadrilateral ABCD?

A) 300 SQ.CM	B) 306 SQ.CM
C) 312 SQ.CM	D) 316 SQ.CM

Answer & Explanation Answer: D) 316 SQ.CM

Explanation:

Area of quadrilateral ABCD = area of triangle ADC + area of triangle ABC

= 126 + ½ * 9 * 40 = 306

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

$∆ DEF$ is right angled at E. If m∠F = $45^{°}$ , then find the value of (cosecD - 1/√3).

A) (√6-1)/√3	B) (1-√6)/√2
C) √3-2	D) (2-√3)/2√3

Answer & Explanation Answer: A) (√6-1)/√3

Explanation:

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

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Q:

If $\cos^{4} θ - \sin^{4} θ = \frac{1}{3}$ then the value of $\tan^{2} θ$ is

A) 1/2	B) 1/3
C) 1/4	D) 1/5

Answer & Explanation Answer: A) 1/2

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

A mason can build a wall in 18 hours. After 9 hours he takes a break. What fraction of the wall is yet to be built?

A) 0.9	B) 0.25
C) 0.5	D) 0.2

Answer & Explanation Answer: C) 0.5

Explanation:

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Find the odd word/letters/number from the given alternatives.

A) Throat	B) Eye
C) Ear	D) Skin

Answer & Explanation Answer: A) Throat

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Find the odd word/letters/number from the given alternatives.

A) DEB	B) RTP
C) HIF	D) NOL

Answer & Explanation Answer: B) RTP

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

ΔABC is right angled at B. If m∠A = 45 deg, then find the value of (tanC + √3/2).

A) 4/√3	B) (2+√3)/2
C) (√2+2)/2√2	D) (2+√3)/3

Quantitative Aptitude - Arithmetic Ability Questions

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