Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

A) 4 and 32 B) 4 and 64
C) 8 and 64 D) 8 and 32
 
Answer & Explanation Answer: B) 4 and 64

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

The ratio of three numbers is 2 : 5 : 7. If their product is 1890, then what is the sum of the three numbers?

A) 82 B) 140
C) 42 D) 72
 
Answer & Explanation Answer: C) 42

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

ABC is a right angled triangle. ∠BAC = 90 deg and ∠ACB = 60 deg. What is the ratio of the circum radius of the triangle to the side AB?

A) 1 : 2 B) 1 : √3
C) 2 : √3 D) 2 : 3
 
Answer & Explanation Answer: B) 1 : √3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?

A) 8.5 B) 7.5
C) 5 D) 6
 
Answer & Explanation Answer: B) 7.5

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Exam Prep: Bank Exams

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Q:

After allowing a discount of 20% on Marked price Kishore makes a profit of 12%. What percentage is the Marked price above the Cost price?

A) 40% B) 32%
C) 25% D) 8%
 
Answer & Explanation Answer: A) 40%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Reflection of the point (2,­7) in the y­axis is

A) (2,7) B) (­-2,-­7)
C) (­-7,2) D) (7,­2)
 
Answer & Explanation Answer: B) (­-2,-­7)

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

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Q:

If the length of the side of an equilateral triangle is 6 cm, what is its area?

A) 18√3 sq cm B) 36√3 sq cm
C) 27√3 sq cm D) 9√3 sq cm
 
Answer & Explanation Answer: D) 9√3 sq cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If a+1b=1 and b+1c=1 , then the value of c+1a is

A) 0 B) 1
C) -1 D) 2
 
Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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