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 Quantitative Aptitude - Arithmetic Ability Questions

Q:

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

 

A) 18   B) 25  
C) 24   D) 21
 
Answer & Explanation Answer: B) 25  

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Q:

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

A) 5681 B) 5334
C) 5434 D) 5761
 
Answer & Explanation Answer: A) 5681

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Q:

What is the value of x3-1x3+8 when 8x-8x-16=0 ?

A) 6 B) 8
C) 16 D) 22
 
Answer & Explanation Answer: D) 22

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Q:

The simplest form of 3565/1495 is

A) 31/13 B) 43/19
C) 23/13 D) 31/23
 
Answer & Explanation Answer: A) 31/13

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Q:

If x2+y2+z2-8x+6y-4z+29 = 0, then find the value of z(x+y).

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

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Q:

What is the value of cosec 5π/3?

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

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Q:

The value of  (0.3)2/100=?

A) 0.09 B) 0.0009
C) 0.009 D) 0.9
 
Answer & Explanation Answer: B) 0.0009

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Q:

If cot(A/2) = x, then x is equal to

A) tanA/(1 + secA) B) 1/(secA + cotA)
C) tanA/(1 + cosecA) D) 1/(cosecA ­- cotA)
 
Answer & Explanation Answer: D) 1/(cosecA ­- cotA)

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