Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 3/5 of x is equal to 4/9 of y, then what is the ratio of x and y?

 

A) 11 : 15 B) 15 : 23
C) 20 : 27 D) 14 : 25
 
Answer & Explanation Answer: D) 14 : 25

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

15 69158
Q:

Find the approximate value of ? in (14.998)3 = ?

 

A) 3573 B) 4096
C) 3378 D) 3374
 
Answer & Explanation Answer: D) 3374

Explanation:
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Filed Under: Simplification
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3 69107
Q:

Find the next number in the sequence?

28, 16, 28, 76, 274

A) 1233 B) 1243
C) 1256 D) 1276
 
Answer & Explanation Answer: B) 1243

Explanation:

Given number sequence is 28, 16, 28, 76, 274

Here the sequence follows a pattern that

28

28 x 0.5 + 2 = 14 + 2 = 16

16 x 1.5 + 4 = 24 + 4 = 28

28 x 2.5 + 6 = 70 + 6 = 76

76 x 3.5 + 8 = 266 + 8 = 274

274 x 4.5 + 10 = 1233 + 10 = 1243

 

Hence, the next number in the given number sequence is 1243.

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1 69049
Q:

1 4 27 Sequence ...

Find the next two numbers in the above sequnce?

A) 256 & 3125 B) 3125, 46656
C) 46656, 859587 D) None
 
Answer & Explanation Answer: A) 256 & 3125

Explanation:

The above given sequence follows a pattern that,

 

122 = 433 = 2744 = 25655 = 312566 = 46656and so on...

Therefore, the next two numbers in the given sequence is 256 & 3125.

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6 69038
Q:

The ratio of the areas of a square and a regular hexagon, both inscribed in a circle is?

 

A) 4 : 3√3 B) 1 : √3
C) 3√3 : 2 D) 2 : 3
 
Answer & Explanation Answer: A) 4 : 3√3

Explanation:
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Filed Under: Area
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1 68715
Q:

∆ABC is right angled at B. If cosA = 8/17, then what is the value of cotC ?

 

A)  15/8 B) 15/17
C)  8/17 D) 17/15
 
Answer & Explanation Answer: A)  15/8

Explanation:
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3 68684
Q:

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is :

A) 9.5 km/hr B) 10 km/hr
C) 10.5 km/hr D) 11 km/hr
 
Answer & Explanation Answer: B) 10 km/hr

Explanation:

Man's rate in still water = (15 - 2.5) km/hr = 12.5 km/hr.

Therefore,  Man's rate against the current = (12.5 - 2.5) = 10 km/hr.

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109 68536
Q:

Find the next number in the following number series?

11, 13, 30, 96, ?

A) 264 B) 392
C) 412 D) 459
 
Answer & Explanation Answer: B) 392

Explanation:

The given number series 11, 13, 30, 96, ? follows a pattern that,

11

11 x 1 + 2 = 13

13 x 2 + 4 = 30

30 x 3 + 6 = 96

96 x 4 + 8 = 392

 

Hence, the next number in the given series is 392.

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