Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of ( 1/2 - cot45) ?

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

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Filed Under: Simplification
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Q:

The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering π as 22/7 , find the curved surface area of the said cone.

A) 550 cm2 B) 572 cm2
C) 528 cm2 D) 539 cm2
 
Answer & Explanation Answer: A) 550 cm2

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

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) 2543 B) 2192
C) 9362 D) 3713
 
Answer & Explanation Answer: C) 9362

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 897 B) 969
C) 888 D) 432
 
Answer & Explanation Answer: D) 432

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Filed Under: Odd Man Out
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Q:

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

A) 273m B) 270m
C) 253m D) 263m
 
Answer & Explanation Answer: A) 273m

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Q:

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

A) 21 cm B) 14 cm
C) 7 cm D) 28 cm
 
Answer & Explanation Answer: A) 21 cm

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Q:

An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?

 

 

A) 60 B) 80
C) 70 D) 90
 
Answer & Explanation Answer: B) 80

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

The average age of 40 students of a class is 16 years. If the average age of 24 students is 15.5 years and that of the 15 students is 16 2⁄3 years, then the age of 40th student is

A) 17 B) 16
C) 16.5 D) 18
 
Answer & Explanation Answer: D) 18

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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