Quantitative Aptitude - Arithmetic Ability Questions

Q:

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?

A) (4√3 – 1)/4 B) (4√3 + 1)/2
C) (–4√3 – 1)/4 D) (–4√3 – 1)/2
 
Answer & Explanation Answer: C) (–4√3 – 1)/4

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0 1991
Q:

If x + (1/x) = 2, then what is the value of x21 + (1/x1331)?

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

2 1990
Q:

Reduce 3596 / 4292 to lowest terms.

A) 29/37 B) 17/43
C) 31/37 D) 19/23
 
Answer & Explanation Answer: C) 31/37

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1990
Q:

Select the odd letters from the given alternatives.

A) ADG B) HKN
C) ORU D) BDF
 
Answer & Explanation Answer: D) BDF

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 1990
Q:

What is the value of Tan 60 + Cosec 60?

A) 5/3 B) 2/√3
C) 5/√3 D) 2/3
 
Answer & Explanation Answer: C) 5/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1989
Q:

Ravi has a roadmap with a scale of 1.5 cm for 18 km. He drives on that road for 72 km. What would be his distance covered in that map.

A) 4 cm B) 6 cm
C) 8 cm D) 7 cm
 
Answer & Explanation Answer: B) 6 cm

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2 1989
Q:

Kiran swims in a 90 m long pool. He covers 360 m in two minutes by swimming from one end to the other and back 0 along the same straight path, twice. Find the average speed of Kiran.

A) 4 m/s B) 6 m/s
C) 3 m/s D) 8 m/s
 
Answer & Explanation Answer: C) 3 m/s

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Filed Under: Time and Distance
Exam Prep: AIEEE , Bank Exams , CAT

0 1989
Q:

The average age of 24 students is 12 years. It was observed that while calculating the average age, the age of a student was taken as 14 years instead of 8 years. What will be the correct average age (in years)?

A) 11.25 B) 11.5
C) 11.75 D) 12.25
 
Answer & Explanation Answer: C) 11.75

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Filed Under: Average
Exam Prep: Bank Exams

0 1989