Quantitative Aptitude - Arithmetic Ability Questions

Q:

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

A) 7 3/8 days B) 8 4/5 days
C) 9 3/8 days D) 10 days
 
Answer & Explanation Answer: C) 9 3/8 days

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Q:

If a - b = 1 and ab = 6, then what is the value of a3- b3?

A) 21 B) 23
C) 19 D) 25
 
Answer & Explanation Answer: C) 19

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Q:

If Tan θ = 4/3, then what is the value of Sin θ?

A) 1.25 B) 0.8
C) 4/3 D) 3/4
 
Answer & Explanation Answer: B) 0.8

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Q:

What is the value of 143 + 163 + 183 + ... + 303?

A) 134576 B) 120212
C) 115624 D) 111672
 
Answer & Explanation Answer: D) 111672

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Q:

An octahedron has 6 vertices. How many edges does it have?

A) 8 B) 12
C) 6 D) 10
 
Answer & Explanation Answer: B) 12

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Filed Under: Area
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Q:

ΔPQR is right angled at Q. If cosP = 5/13, then what is the value of cosecR ?

A) 13/5 B) 5/12
C) 5/13 D) 13/12
 
Answer & Explanation Answer: A) 13/5

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Q:

What is the reflection of the point (3,-5) in the origin?

A) (-3, -5) B) (5,-3)
C) (-5,-3) D) (-3, 5)
 
Answer & Explanation Answer: D) (-3, 5)

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Q:

46% of 250 is equal to

A) 115 B) 92
C) 112 D) 13.5
 
Answer & Explanation Answer: A) 115

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Filed Under: Percentage
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