Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the arithmetic mean of two numbers is 7 and the geometric mean of the same two numbers is 2√10. Then find the numbers x and y respectively, such that x>y.

 

A) 4, 10 B) 2, 5
C) 5, 2 D) 10, 4
 
Answer & Explanation Answer: D) 10, 4

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams , CAT

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Q:

A 145 m long train crosses a 655 m long bridge in 36 seconds. What is the speed of the train?

A) 70 kmph B) 80 kmph
C) 60 kmph D) 75 kmph
 
Answer & Explanation Answer: B) 80 kmph

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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Q:

The height of a right circular cylinder is twice its radius of the base. If its height be 6 times its radius of the base, then the volume of the cylinder will be 539 cub.cm more. Assuming Π = 22/7, the height of the cylinder is

A) 5 cm B) 7 cm
C) 9 cm D) 11 cm
 
Answer & Explanation Answer: B) 7 cm

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

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Q:

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

A) 6√2 B) 6√3
C) 7√2 D) 7√3
 
Answer & Explanation Answer: D) 7√3

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

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Q:

Points P , Q and R are on a circle such that ∠PQR = 40° and ∠QRP = 60° . Then the subtended angle by arc QR at the centre is

A) 80° B) 120°
C) 140° D) 160°
 
Answer & Explanation Answer: D) 160°

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

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Q:

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

A) 21 B) 23
C) 25 D) 27
 
Answer & Explanation Answer: C) 25

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

A) 3/4(√7 – √3) B) √5 – √3
C) √7 + √5 D) 1/2(√7 + √3)
 
Answer & Explanation Answer: A) 3/4(√7 – √3)

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Q:

Select the odd number from the given alternatives.

A) 1600 B) 2500
C) 3600 D) 4000
 
Answer & Explanation Answer: D) 4000

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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