Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the average of first 30 multiples of 9?

A) 142 B) 138.5
C) 139.5 D) 143.5
 
Answer & Explanation Answer: C) 139.5

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Q:

X does 25% of a work in 20 days. Y joins X and they together finish the remaining work in 15 days. Y alone can do the whole work in ___ days.

 

A) 30 days B) 25 1/2 days
C) 26 2/3 days D) 26 1/5 days
 
Answer & Explanation Answer: C) 26 2/3 days

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Filed Under: Time and Work
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Q:

Product of 9b2, 3a2 and 4ab is

A) 108a2b2 B) 108a3b3
C) 108a3b2 D) 108a4b4
 
Answer & Explanation Answer: B) 108a3b3

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Filed Under: Simplification
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Q:

The point P(5,-2) divides the segment joining the points (x,0) and (0,y) in the ratio 2:5. What is the value of x and y?

A) x = -7; y = 7 B) x = 3; y = -3
C) x = 7; y = -7 D)  x = -3; y = 3
 
Answer & Explanation Answer: C) x = 7; y = -7

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Q:

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

A) Square B) Rectangle
C) Rhombus D) Polygon
 
Answer & Explanation Answer: D) Polygon

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Filed Under: Odd Man Out
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Q:

If (6x ­- 5) = (4x + 7), then the numerical value of (x + 1)3  is

A) 216 B) 125
C) 64 D) 343
 
Answer & Explanation Answer: D) 343

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Q:

Two cyclists P and Q cycle at 20 km/hr and 16 km/hr towards each other respectively. What was the distance (in kms) between them when they started if they met after 40 minutes?

A) 36 B) 30
C) 25 D) 24
 
Answer & Explanation Answer: D) 24

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Filed Under: Time and Distance
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Q:

ABCD is a cyclic quadrilateral DBA=50° and ADE=33°, then the measurement of BCD is

A) 83° B) 80°
C) 75° D) 60°
 
Answer & Explanation Answer: A) 83°

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