Quantitative Aptitude - Arithmetic Ability Questions

Q:

A and B can complete a task in 20 days, B and C can complete it in 30 days while C and A can do the same task together in 24 days. How many days will each of and C take to complete the task individually? 

 

A) 50 and 54  B) 54 and 72 
C) 48 and 80  D) 56 and 64
 
Answer & Explanation Answer: C) 48 and 80 

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Filed Under: Time and Work
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Q:

The average weight of 25 bags is 55 kg. The weight of one bag was misread as 65 instead of 56. Find the correct mean value.

A) 55.25 B) 55.36
C) 54.64 D) 55.65
 
Answer & Explanation Answer: C) 54.64

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Filed Under: Average
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Q:

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

A) Elephant B) Giraffe
C) Cow D) Hen
 
Answer & Explanation Answer: D) Hen

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Filed Under: Odd Man Out
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Q:

What are the roots of the quadratic equation: x2 + 3x ­- 154 = 0

A) 11, 14 B) 11, ­-14
C) 14, -­11 D) 14, -­22
 
Answer & Explanation Answer: B) 11, ­-14

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Filed Under: Simplification
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Q:

The perimeter of a square is 30 cm. Find its area (in cm²).

A) 56.25 B) 112.5
C) 60.25 D) 120.5
 
Answer & Explanation Answer: A) 56.25

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Filed Under: Area
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Q:

The length of one side and the diagonal of a rectangle are 20 cm and 29 cm respectively. Find the length of its other side (in cm).

 

A) 42   B) 30  
C) 21   D) 60
 
Answer & Explanation Answer: C) 21  

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Filed Under: Area
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Q:

An angle is greater than its complementary angle by 30°. Find the measure of the angle?

A) 30° B) 90°
C) 60° D) 120°
 
Answer & Explanation Answer: C) 60°

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Q:

The  sum  of  three  prime  numbers  is  100.  If  one  of  them  exceeds  another  by  36,  then  one  of  the numbers is

A) 17 B) 29
C) 43 D) none
 
Answer & Explanation Answer: D) none

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Filed Under: Numbers
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