6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Length and breadth of a rectangle are 8 cm and 6 cm respectively. The rectangle is cut on its four vertices such that the resulting figure is a regular octagon. What is the side (in cm) of the octagon?

A) 3(√11) – 7	B) 5(√13) – 8
C) 4(√7) – 11	D) 6(√11) – 9

Answer & Explanation Answer: A) 3(√11) – 7

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Filed Under: Area
Exam Prep: Bank Exams

3 3015

Q:

Two equal arcs of two circles subtend angle of $60 °$ and $75 °$ at the centre. The ratio of the radii of the two circles is

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

Answer & Explanation Answer: A) 5/4

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

0 3014

Q:

What is the HCF (highest common factor) of 133 and 112?

A) 15	B) 7
C) 19	D) 6

Answer & Explanation Answer: B) 7

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

9 3013

Q:

If cotA + cotB = x, then value of x is

A) (cotAcotB + 1)/(cotB - cotA)	B) (cotAcotB + 1)/(cotB + cotA)
C) (cotAcotB - 1)/(cotB + cotA)	D) (cotAcotB - 1)/(cotB - cotA)

Answer & Explanation Answer: C) (cotAcotB - 1)/(cotB + cotA)

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Filed Under: Simplification
Exam Prep: Bank Exams

7 3012

Q:

The price of a movie ticket was increased in the ratio 9 : 10. What is the increase in the revenue (in Rs.) of the cinema hall, if the original fare was Rs 180 and 2200 tickets were sold.

A) 44000	B) 440000
C) 39600	D) 396000

Answer & Explanation Answer: A) 44000

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

4 3011

Q:

If (1 + cosA)/2 = x, then the value of x is

A) sin(A/2)	B) √sin(A/2)
C) √cos(A/2)	D) cos2(A/2)

Answer & Explanation Answer: D) cos2(A/2)

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Filed Under: Simplification
Exam Prep: Bank Exams

3 3008

Q:

After two successive discounts of 20% and 12% an article is sold for Rs 16896. What is the marked price (in Rs) of the article?

A) 21500	B) 23800
C) 22000	D) 24000

Answer & Explanation Answer: D) 24000

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Filed Under: Percentage
Exam Prep: Bank Exams

0 3006

Q:

In the given figure, PQRS is a rectangle and a semicircle with SR as diameter is drawn. A circle is drawn as shown in the figure. If QR = 7 cm, then what is the radius (in cm) of the small circle ?

A) 21 + 14√2	B) 21 – 14√2
C) Both 21 + 14√2 and 21 – 14√2	D) None of these

Quantitative Aptitude - Arithmetic Ability Questions

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