Quantitative Aptitude - Arithmetic Ability Questions

Q:

In the following question, select the odd letter/letters from the given alternatives.

 

A) LFZ B) PJC
C) SMG   D) XRL
 
Answer & Explanation Answer: B) PJC

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Which of the following can be used to illustrate that not all prime numbers are odd? 

 

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

Explanation:

The only even numbers in the list are 2 and 4, but 4 is not a prime. So 2 can be used to illustrate the statement that all primes are not odd.

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Filed Under: Numbers
Exam Prep: GRE

6 43348
Q:

The sum of the present ages of a father and his son is 60 years. five years ago, father's age was four times the age of the son. so now the son's age will be:

A) 5 B) 10
C) 15 D) 20
 
Answer & Explanation Answer: C) 15

Explanation:

Let the present ages of son and father be x and (60 -x) years respectively.

Then, (60 - x) - 5= 4(x - 5)

55 - x = 4x - 20

5x = 75  => x = 15

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Filed Under: Problems on Ages

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Q:

What value should come in place of the question mark (?) in the following question?

52x14+145018=1998÷?

A) 18.25 B) 19.98
C) 34.58 D) 65.25
 
Answer & Explanation Answer: B) 19.98

Explanation:
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Q:

Select the odd figure out of the following series.

 

 

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

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Pick an odd man in the given number series?

4 12 38 87 198

A) 12 B) 38
C) 87 D) 198
 
Answer & Explanation Answer: A) 12

Explanation:

The given series follows a pattern that,

 

4 + 32 = 4 + 9 = 1313 + 52 = 13 + 25 = 3838 + 72 = 38 + 49 = 8787 + 92 = 87 + 81 = 198 

 

Hence, the odd man in the given number series is 12.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 43160
Q:

The length of a rectangle is twice its breadth if its length is decreased by 5cm and breadth is increased by 5cm, the area of the rectangle is increased by 75 sq cm. Find the length of the rectangle.

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

Explanation:

let length = 2x and breadth = x then
(2x-5) (x+5) = (2x * x)+75
5x-25 = 75 => x=20
length of the rectangle = 40 cm

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

51 43145
Q:

Find the odd word/letters/number pair from the given alternatives.

(A) 48:134 (B) 40:110 (C) 18:48 (D) 30:80

A) A B) B
C) C D) D
 
Answer & Explanation Answer: C) C

Explanation:
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Exam Prep: Bank Exams

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