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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π=22/7)

A) 3√3 : 4 B) 4 : 3√3
C) 3 : 4√3 D) 1 : 12√3
 
Answer & Explanation Answer: A) 3√3 : 4

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Filed Under: Volume and Surface Area
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Q:

ΔABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?

A) 9 B) 10
C) 6 D) 8
 
Answer & Explanation Answer: D) 8

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Filed Under: Volume and Surface Area
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Q:

Vikash purchased 5 bananas for Rs.4 and sold 4 bananas for Rs.5. Calculate his % profit?

A) 55.56% B) 53.25%
C) 45.50% D) 56.25%
 
Answer & Explanation Answer: D) 56.25%

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The number of students in a class is increased by 20% and the number now becomes 66. Initially the number was

A) 45 B) 50
C) 55 D) 60
 
Answer & Explanation Answer: C) 55

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

Expand : S + 23

A) S3+3S2+12S+8 B) S3+3S2+6S+8
C) S3+6S2+12S+8 D) S3+6S2+6S+8
 
Answer & Explanation Answer: C) S3+6S2+12S+8

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Filed Under: Simplification
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Q:

If (tanA + tanB)/(1 ­ tanAtanB) = x, then the value of x is

A) tan(A + B) B) tan(A -­ B)
C) cot(A + B) D) cot(A ­- B)
 
Answer & Explanation Answer: A) tan(A + B)

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Filed Under: Simplification
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Q:

What is the ratio of radius of incircle and circumcircle for an equilateral triangle with an area of 22√3 sq. units?

A) 1/2 B) 1/4
C) 1/3 D) 2/3
 
Answer & Explanation Answer: A) 1/2

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Filed Under: Area
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Q:

Reflection of the point (3,-6) in the y-axis is

A) (3,6) B) (3,-6)
C) (-3,-6) D) (-3,6)
 
Answer & Explanation Answer: C) (-3,-6)

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Filed Under: Simplification
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