6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

A) 90	B) 45
C) 60	D) 75

Answer & Explanation Answer: B) 45

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Filed Under: Time and Work
Exam Prep: Bank Exams

2 1852

Q:

The height of an equilateral triangle is 18 cm. Its area is

A) 36√3 sq. m.	B) 108√3 sq. cm.
C) 108 sq. cm.	D) 96√3 sq. m.

Answer & Explanation Answer: B) 108√3 sq. cm.

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 1852

Q:

Solve the following equation to find x: ${(x - 2)}^{2} - 36 = 0 : xεN$

A) 4	B) 8
C) -4	D) -8

Answer & Explanation Answer: B) 8

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

0 1852

Q:

An article was sold at Rs. 950 allowing 5% discount on the marked price. The marked price of the article is

A) Rs. 960	B) Rs. 1000
C) Rs. 955	D) Rs. 945

Answer & Explanation Answer: B) Rs. 1000

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1851

Q:

What is the value of $\tan 1 ° \tan 2 ° \tan 3 ° . . . . . . . \tan 89 °$ ?

A) 0	B) 1
C) 2	D) infinity

Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The average marks in science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively, then what would be the correct average?

A) 68.5	B) 69
C) 69.5	D) 70

Answer & Explanation Answer: B) 69

Explanation:

Difference of marks = 72 + 61 –48 –65 = 20∴Correct average marks = 68 +20/20= 69

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Filed Under: Average
Exam Prep: Bank Exams

0 1851

Q:

If α and β are roots of the equation $3 x^{2} - 13 x + 14 = 0$ , then what is the value of (α/β) + (β/α)?

A) 65/28	B) 53/14
C) 9	D) 85/42

Answer & Explanation Answer: D) 85/42

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1850

Q:

Calculate the value of $\frac{61681 x 61681 - 31681 x 31681}{30000}$ ?

A) 93352	B) 94362
C) 93362	D) 95362

Quantitative Aptitude - Arithmetic Ability Questions

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