Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

A) 36√3 B) 9
C) 36 D) 9√3
 
Answer & Explanation Answer: D) 9√3

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Filed Under: Area
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Q:

What is the measure of an exterior angle of a regular polygon of 10 sides?

A) 30 B) 24
C) 36 D) 20
 
Answer & Explanation Answer: C) 36

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Filed Under: Area
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Q:

If 3a – (3/a) – 3 = 0, then what is the value of a3  (1/a3) + 2?

A) 0 B) 2
C) 4 D) 6
 
Answer & Explanation Answer: D) 6

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Filed Under: Simplification
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Q:

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is

A) 12 litres B) 10 litres
C) 9 litres D) 8 litres
 
Answer & Explanation Answer: C) 9 litres

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Filed Under: Alligation or Mixture
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Q:

The ratio of present ages of Ramita and Satyajit is 9:7. After 9 years the ratio of their ages will be 5:4. What is Ramita's present age?

A) 81 B) 63
C) 56 D) 80
 
Answer & Explanation Answer: A) 81

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Filed Under: Problems on Ages
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Q:

If 177 is divided into 3 parts in the ratio 1/2 : 2/3: 4/5, then the second part is

A) 75 B) 45
C) 72 D) 60
 
Answer & Explanation Answer: D) 60

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Q:

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2), then the value of k is

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

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Q:

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

A) isosceles B) scalene
C) equilateral D) right-angled
 
Answer & Explanation Answer: C) equilateral

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