Quantitative Aptitude - Arithmetic Ability Questions

Q:

12 men or 30 boys can complete a work in 72 days. How many days will 48 men and 24 boys will take to complete the same work?

A) 20 B) 18
C) 15 D) 25
 
Answer & Explanation Answer: C) 15

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Q:

Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?

A) x - 6y = 5 B) x + 6y = -5
C) x - 6y = -5 D) x + 6y = 5
 
Answer & Explanation Answer: C) x - 6y = -5

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Q:

If sin ­-330° = x, then the value of x is

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

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Q:

ΔABC is right angled at B. If m∠C = 60°, then find the value of (cotA - 1/2).

A) -1/√3 B) (3-√2)/3√2
C) (2√3-1)/2 D) (√2-√3)/√6
 
Answer & Explanation Answer: C) (2√3-1)/2

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Q:

What is the value of tan150°?

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

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Q:

What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?

A) 67 B) 45
C) -30 D) -48
 
Answer & Explanation Answer: C) -30

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Q:

What is the value of [sin (y – z) + sin (y + z) + 2 sin y]/[sin (x – z) + sin (x + z) + 2 sin x]?

A) cos x sin y B) (sin y)/(sin x)
C) sin z D) sin x tan y
 
Answer & Explanation Answer: B) (sin y)/(sin x)

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Q:

Which is the correct ascending order of the given numbers?

A) 1/3, 4/15, 0.33 B) 1/3, 0.33, 4/15
C) 4/15, 0.33, 1/3 D) 0.33, 4/15, 1/3
 
Answer & Explanation Answer: C) 4/15, 0.33, 1/3

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Filed Under: Numbers
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