Quantitative Aptitude - Arithmetic Ability Questions

Q:

On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45 to 60 deg. What will be the height (in metres) of the building?

A) 50(3 + √3) B) 100(√3 + 1)
C) 150 D) 100√3
 
Answer & Explanation Answer: A) 50(3 + √3)

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Filed Under: Height and Distance
Exam Prep: Bank Exams

4 1612
Q:

ΔDEF is similar to ΔGHI. Length of DE is 9 cm and length of the corresponding side GH is 16 cm. What is the ratio of areas of Δ DEF : Δ GHI?

A) 3:4 B) 9:16
C) 81:256 D) 16:9
 
Answer & Explanation Answer: C) 81:256

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If (X/4) = (Y/5) = (Z/9), then what is X : Y : Z?

A) 8 : 10 : 19 B) 4 : 5 : 9
C) 45 : 36 : 20 D) 15 : 12 : 7
 
Answer & Explanation Answer: B) 4 : 5 : 9

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the value of (sin60° + 2/√3) ?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If (6x ­- 1) -­ (8x -­ 5) = 7, then the value of x is _______ .

A) -3/2 B) 3/2
C) 11/2 D) -11/2
 
Answer & Explanation Answer: A) -3/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A vendor buys 6 bananas for Rs 25 and sells them at 3 for Rs 20. What is his profit percentage?

A) 50 B) 40
C) 60 D) 30
 
Answer & Explanation Answer: C) 60

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

A) 7 B) 6
C) 3.5 D) 2.5
 
Answer & Explanation Answer: C) 3.5

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Q:

What is the value of √2 Sec 45 - Tan 30?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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