Aptitude and Reasoning Questions

Q:

If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he worked alone?

A) 30 B) 40
C) 25 D) 50
 
Answer & Explanation Answer: A) 30

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If the radius of the cylinder is increased by 25%, then by how much percent the height must be reduced, so that the volume of the cylinder remains same?

A) 36 B) 56
C) 64 D) 46
 
Answer & Explanation Answer: A) 36

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

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Q:

Pointing to a lady, Diwakar said, "Her mother's only grandson is my son." How is that lady related to Diwakar?

A) Aunty B) Sister
C) Mother D) Wife
 
Answer & Explanation Answer: B) Sister

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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

A & B together finish a job in 24 days, while A, B & C together can finish the same job in 8 days. C alone will finish the job in

A) 12 days B) 14 days
C) 16 days D) 24 days
 
Answer & Explanation Answer: A) 12 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A hydrogen filled balloon ascending at the rate of 18 kmph was drifted by wind. Its angle of elevation at 10th and 15th minutes were found to be 60° and 45° respectively. The wind speed (in whole numbers) during the last five minutes, approximately, is equal to

A) 7 km/hr B) 11 km/ hr
C) 26 km/hr. D) 33 km/hr
 
Answer & Explanation Answer: D) 33 km/hr

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If xy = 56 and x2+ y2= 113, then what will be the value of (x + y)?

A) 29 B) 21
C) 36 D) 15
 
Answer & Explanation Answer: D) 15

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A student multiplied a number by 6/13 instead of 13/6. What is the percentage error in the calculation?

A) 369.44 percent B) 39.35 percent
C) 184.72 percent D) 78.7 percent
 
Answer & Explanation Answer: D) 78.7 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

(secA ­- tanA)/(cosecA + cotA) is equal to

A) (secA -­ cotA) / (cosecA + tanA) B) (secA -­ cosA) / (cosecA + sinA)
C) (cosecA -­ cotA) / (secA + tanA) D) (secA + cosA) / (cosecA -­ sinA)
 
Answer & Explanation Answer: C) (cosecA -­ cotA) / (secA + tanA)

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Filed Under: Simplification
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