6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Chords PQ and RS of a circle extended externally intersect at point T. Length of the segment PT, if lengths of QT, RT and ST are 9 cm, 18 cm and 6 cm respectively, is

A) 18 cm	B) 12 cm
C) 16 cm	D) 8 cm

Answer & Explanation Answer: B) 12 cm

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

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Q:

First four multiples of 9?

Answer

A multiple of a number is the number multiplied by an integer.

The first four multiples of 9 are given by multiying the first 4 integers with number 9.

That is,

9 x 1 = 9

9 x 2 = 18

9 x 3 = 27

9 x 4 = 36

Hence, first four multiples of 9 are 9, 18, 27, 36.

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Subject: Numbers Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

A) 142	B) 137.5
C) 82.5	D) 110.5

Answer & Explanation Answer: B) 137.5

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the value of (1/√2) Cot 45° + (1/√3) Cosec 60°?

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

Answer & Explanation Answer: D) (3 + 2√2)/3√2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the following question, select the odd number pair from the given alternatives.

A) 11 – 120	B) 17 – 290
C) 21 – 442	D) 12 – 145

Answer & Explanation Answer: A) 11 – 120

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If $a^{3} + b^{3} = 28$ and a + b = 4, then what is the value of ab?

A) -3	B) 2
C) 8	D) 3

Answer & Explanation Answer: D) 3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the third proportional to 9 and 45?

A) 405	B) 225
C) 5	D) 81

Answer & Explanation Answer: B) 225

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If a-b=1 and $a^{3} - b^{3} = 61$ , then the value of ab will be

A) -20	B) 20
C) 30	D) 60

Quantitative Aptitude - Arithmetic Ability Questions

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