Aptitude and Reasoning Questions

Q:

The LCM of 16, 24, 36, 52 and 54 is?

A) 5618 B) 5216
C) 432 D) 5616
 
Answer & Explanation Answer: D) 5616

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Filed Under: HCF and LCM
Exam Prep: AIEEE , Bank Exams , CAT

5 2904
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

2 2903
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

9 2902
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

0 2901
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
Exam Prep: Bank Exams

0 2900
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

3 2900
Q:

A man bought 500 metres of electronic wire at 50 paise per metre. He sold 50% of it at a profit of 5%. At what percent should he sell the remainder so as to gain 10% on the whole transaction?

A) 13% B) 12.5%
C) 15% D) 20%
 
Answer & Explanation Answer: A) 13%

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 2899
Q:

A certain sum of money was divided between A, B and C in the ratio 5:6:9. If A received Rs. 450 the sum divided was

A) 2000 B) 1800
C) 2250 D) 1000
 
Answer & Explanation Answer: B) 1800

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 2896