Aptitude and Reasoning Questions

Q:

If the number 247_679 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be

A) 2 B) 7
C) 1 D) 5
 
Answer & Explanation Answer: C) 1

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Filed Under: Problems on Numbers
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Q:

Select the odd number from the given alternatives.

A) 1 B) -2
C) -(-3) D) 5
 
Answer & Explanation Answer: B) -2

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Filed Under: Odd Man Out
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Q:

From the given answer figures, select the one in which the question figure is hidden / embedded.

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

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Filed Under: Image Analysis
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Q:

A, B and C can finish a job working alone in 72, 24 and 36 days respectively. In how many days they can finish the job if they worked together?

A) 12 B) 9
C) 15 D) 18
 
Answer & Explanation Answer: A) 12

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A hollow hemispherical bowl is made of silver with its outer radius 8 cm and inner radius 4 cm respectively. The bowl is melted to form a solid right circular cone of radius 8 cm. The height of the cone formed is

A) 7 cm B) 9 cm
C) 12 cm D) 14 cm
 
Answer & Explanation Answer: D) 14 cm

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Q:

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

A) 50% B) 25%
C) 100% D) 75%
 
Answer & Explanation Answer: B) 25%

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Filed Under: Probability
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Q:

The mean of a distribution is 20 and the standard deviation is 4. What is the value of the coefficient variation?

A) 10% B) 20%
C) 40% D) 60%
 
Answer & Explanation Answer: B) 20%

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Filed Under: Probability
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Q:

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in x­axis to (­-4,2). The co-­ordinates of point R are

A) (­4,­-2) B) (­-4,2)
C) (4,2) D) (-4,­-2)
 
Answer & Explanation Answer: C) (4,2)

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Filed Under: Simplification
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