Quantitative Aptitude - Arithmetic Ability Questions

Q:

Roshan's current age is three years less than 1.5 times that of Usha's. 12 years ago Usha's age was three years more than half of Roshan's age. What is Roshan's present age in

A) 42 B) 39
C) 33 D) 30
 
Answer & Explanation Answer: A) 42

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Filed Under: Problems on Ages
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Q:

65.The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o. The height of the aeroplane from the ground is

A) 3+1 kms B) 3+3 kms
C) 123+1 kms D) 123+3 kms
 
Answer & Explanation Answer: D) 123+3 kms

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Filed Under: Square Roots and Cube Roots
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Q:

In an examination 65% students pass in history and 55% students pass in hindi. If 5% students failed in both the subjects, then what is the percentage of students who have passed in both the subjects?

A) 15 B) 20
C) 25 D) 30
 
Answer & Explanation Answer: C) 25

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Filed Under: Percentage
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Q:

If x + 1/x = √13, then 3x(x2-1) equal to

A) 3√13 B) √13/3
C) 1 D) 3
 
Answer & Explanation Answer: C) 1

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Filed Under: Simplification
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Q:

If (5/9 of x) ­- (2/5 of 9/4) equals ­ -4/5 then find x.

A) 0.18 B) 0.12
C) 2 D) 0.54
 
Answer & Explanation Answer: A) 0.18

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Filed Under: Simplification
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Q:

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?

A) 20% B) 12%
C) 15% D) 10%
 
Answer & Explanation Answer: B) 12%

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Filed Under: Percentage
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Q:

If sec (3x – 20°) = cosec (3y + 20°), then what is the value of tan (x + y)?

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

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Filed Under: Simplification
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Q:

A and B together do a job in 12 days and A could do the job in 20 days if he worked alone. How many days would B take to do the job if he worked alone?

A) 30 B) 25
C) 24 D) 15
 
Answer & Explanation Answer: A) 30

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Filed Under: Time and Work
Exam Prep: Bank Exams

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