Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of sin ­7π/4c?

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

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Q:

Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs 6000 for 2 years at 10% per annum. The sum placed on simple interest is

A) Rs 4200 B) Rs 2100
C) Rs 1680 D) Rs 1050
 
Answer & Explanation Answer: B) Rs 2100

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

What is the value of Sin 30° + 2 Cos 30° ?

A) (2√2 + 3)/√6 B) (9 + 2√3)/9
C) (1 + 2√3)/2 D) (2√6 + 1)/√3
 
Answer & Explanation Answer: C) (1 + 2√3)/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If x = at2 and y = 2at then

A) x2 = 4ay B) y2 = 4ax
C) x2 + y 2 = a2 D) x 2 -­ y2 = a 2
 
Answer & Explanation Answer: B) y2 = 4ax

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the equation of a line having a slope -1/3 and y-intercept equal to 6?

A) x + 3y = 18 B) x - 3y = 6
C) x + 3y = -18 D) x - 3y = -6
 
Answer & Explanation Answer: A) x + 3y = 18

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

20% of a = b, then b% of 20 is the same as _________ of a.

A) 8% B) 40%
C) 4% D) 80%
 
Answer & Explanation Answer: C) 4%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 'Q ' means ' +', 'J ' means ' X',T ' ' means '- ' and 'K ' means '÷ ', then what is the value of18K3Q7J ?

A) 15 B) 10
C) 18 D) 12
 
Answer & Explanation Answer: D) 12

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

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Q:

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.

 

 

A) 61 B) 21
C) 16 D) 81
 
Answer & Explanation Answer: C) 16

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Filed Under: Numbers
Exam Prep: Bank Exams

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