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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The sum of two numbers is equal to thrice their difference. If the smaller of the numbers is 10 find the other number.

A) 15 B) 30
C) 40 D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

Let larger number be x and smaller number be y.

Also, y = 10

According to question,

⇒(x + y) = 3((x –y)⇒(x + 10) = 3(x –10)

⇒2x = 40⇒x = 20

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Filed Under: Numbers
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Q:

If the length of the transverse tangent is 8 cm, then calculate the centre distance (in cm) of the two circles with radii 7 cm and 3 cm.

 

A) √100 B) √120  
C) √164   D) √180
 
Answer & Explanation Answer: C) √164  

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The order of rotational symmetry of a parallelogram is

A) 1 B) 4
C) 2 D) 0
 
Answer & Explanation Answer: C) 2

Explanation:
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Filed Under: Area
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Q:

Coefficient of x in (x + 11)(3 -­ 5x) is _____.

A) 33 B) -5
C) 3 D) -52
 
Answer & Explanation Answer: D) -52

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

G and AD are respectively the centroid and median of the triangle ΔABC.The ratio AG:AD is

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

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If Reena sold 12 mobile phones for Rs. 1,88,160 which cost Rs. 14,056 per phone, what was the total profit made by her?

A) Rs. 19,488 B) Rs. 17,621
C) Rs. 21,014 D) Rs. 18,958
 
Answer & Explanation Answer: A) Rs. 19,488

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A cylindrical capsule has hemispherical ends of the radii equal to radius of the cylindrical part. If length of the capsule is 40 m and radius 6 m, what is the total surface area of this capsule?

A) 3017.14 sq mts B) 4525.71 sq mts
C) 1508.57 sq mts D) 754.29 sq mts
 
Answer & Explanation Answer: C) 1508.57 sq mts

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Filed Under: Volume and Surface Area
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Q:

The diagonal of a square is 10√2 cm, find its perimeter?

A) 160 cm B) 80 cm
C) 20 cm D) 40 cm
 
Answer & Explanation Answer: D) 40 cm

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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