Quantitative Aptitude - Arithmetic Ability Questions

Q:

4 men can build a small house in 12 days. How long would it take for 6 men to build the same house?

A) 9 days B) 8 days
C) 8.1 days D) 8.2 days
 
Answer & Explanation Answer: B) 8 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

A) 60.3 B) 59.6
C) 61 D) 62.4
 
Answer & Explanation Answer: C) 61

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Filed Under: Average
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Q:

The total surface area of a cube is 337.5 cm². Find its side (in cm).

A) 8.5 B) 6.5
C) 5.5 D) 7.5
 
Answer & Explanation Answer: D) 7.5

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If cos -300° = x, then the value of x is

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

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Filed Under: Simplification
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Q:

Find the odd words/letter/number from the given alternatives:

A) A B) U
C) T D) O
 
Answer & Explanation Answer: C) T

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) CDFI B) RSUX
C) JKMP D) FGJM
 
Answer & Explanation Answer: D) FGJM

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Filed Under: Odd Man Out
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Q:

Which of the following is correct?

A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2 B) (4x + 5y)(5x - 4y) = 20x2 + 41xy - 20y2
C) (4x + 5y)(5x - 4y) = 20x2 - 9xy + 20y2 D) (4x + 5y)(5x - 4y) = 20x2 - 41xy + 20y2
 
Answer & Explanation Answer: A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2

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Filed Under: Simplification
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Q:

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

A) 1:2:3 B) 2:3:4
C) 2:3:1 D) 3:2:1
 
Answer & Explanation Answer: A) 1:2:3

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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