Quantitative Aptitude - Arithmetic Ability Questions

Q:

An equilateral triangle ABC is inscribed in a circle of radius 20√3.
What is the length of the side of the triangle?

A) 30 cm B) 40 cm
C) 50 cm D) 60 cm
 
Answer & Explanation Answer: D) 60 cm

Explanation:
Radius of circumcircle of an equilateral triangle = side /√3
R = a/√3
a = R√3 = 20√3 *√3 = 60cm
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Filed Under: Volume and Surface Area
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Q:

(242699 + 167109) ÷ (9946 –9446) = ?

A) 852 B) 835
C) 800 D) 820
 
Answer & Explanation Answer: D) 820

Explanation:
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Q:

What is the average of all numbers between 11 and 80 which are divisible by 6?

A) 46 B) 47
C) 44 D) 45
 
Answer & Explanation Answer: D) 45

Explanation:
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Filed Under: Average
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Q:

The third proportional of two numbers 4 and 20 is

A) 36 B) 40
C) 100 D) 60
 
Answer & Explanation Answer: C) 100

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

On a television of brand A the discount is 25% and on television of brand B the discount is 40%. The price of B after discount Rs 2,250 greater than the price of A after discount. What is the marked price of A (in Rs) if marked price of B is Rs 35,000?

A) 18750 B) 21000
C) 25000 D) 17850
 
Answer & Explanation Answer: C) 25000

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The simplest form of 3774/2958 is

A) 43/19 B) 37/29
C) 31/13 D) 31/23
 
Answer & Explanation Answer: B) 37/29

Explanation:
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Filed Under: Simplification
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Q:

If x, y, z are the three factors of a3 -7a - 6, then value of x+y+z will be

A) 3a B) 3
C) 6 D) a
 
Answer & Explanation Answer: A) 3a

Explanation:
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Q:

In ABC two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be

A) 3 cm B) 6 cm
C) 9 cm D) 12 cm
 
Answer & Explanation Answer: A) 3 cm

Explanation:
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Filed Under: Volume and Surface Area
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