Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the sum of the measures all the exterior angles of a decagon.

A) 720° B) 2160°
C) 360° D) 1800°
 
Answer & Explanation Answer: C) 360°

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Q:

What is the value of ( 1/3 - cosec30°) ?

A) (√6-1)/√3 B) -1/2
C) -5/3 D) 3/2
 
Answer & Explanation Answer: C) -5/3

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Filed Under: Simplification
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Q:

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

A) 2/5 B) 5/4
C) 5/2 D) 4/5
 
Answer & Explanation Answer: C) 5/2

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Q:

In a triangle the length of the side opposite the angle which measures 60° is 6√3 cm. What is the length of the side opposite to the angle which measures 90°? 

A) 12√3 cm B) 6 cm
C) 12 cm D) 3√3 cm
 
Answer & Explanation Answer: C) 12 cm

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Filed Under: Volume and Surface Area
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Q:

Two fractions are such that their product is ­9/10 and sum is ­13/40. What are the two fractions.

A) 2/5, ­9/4 B) 1/5, ­-9/2
C) 4/5, ­-9/8 D) -2/5, ­9/4
 
Answer & Explanation Answer: C) 4/5, ­-9/8

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Filed Under: Problems on Numbers
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Q:

Which of the following numbers is divisible by 9?

A) 12321 B) 12345
C) 45654 D) 45678
 
Answer & Explanation Answer: A) 12321

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Q:

Consider the two similar triangles ABC and DEF. Which of the following is correct about the ratio of the area of the triangle ABC and DEF?

 

 

A) ABDE=EFBC=ACDF B) ABDE2=BCEF2=ACDF2
C) ABDE=BCEF=DFAC D) None of these
 
Answer & Explanation Answer: B) ABDE2=BCEF2=ACDF2

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Filed Under: Area
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Q:

A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area of the circle?

A) 308 sq cm B) 462 sq cm
C) 154 sq cm D) 616 sq cm
 
Answer & Explanation Answer: C) 154 sq cm

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