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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A sum becomes Rs 2286 in 3 years and Rs 2448 in 4 years at simple interest. What is the rate (in percentage) of interest per annum?

A) 10 B) 9
C) 8 D) 11
 
Answer & Explanation Answer: B) 9

Explanation:
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Filed Under: Simple Interest
Exam Prep: Bank Exams

5 3054
Q:

Cost of 8 pencils, 5 pens and 3 erasers is Rs 111. Cost of 9 pencils, 6 pens and 5 erasers is Rs 130. Cost of 16 pencils, 11 pens and 3 erasers is Rs 221. What is the cost (in Rs) of 39 pencils, 26 pens and 13 erasers?

A) 316 B) 546
C) 624 D) 482
 
Answer & Explanation Answer: B) 546

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

5 3051
Q:

In ∆PQR, straight line parallel to the base QR cuts PQ at X and PR at Y. If PX:XQ = 5:6, then the XY:QR will be

A) 5:11 B) 6:5
C) 11:6 D) 11:5
 
Answer & Explanation Answer: A) 5:11

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams
Job Role: Bank Clerk

1 3047
Q:

15% of 32 is

A) 3.6 B) 4.8
C) 5.2 D) 5.8
 
Answer & Explanation Answer: B) 4.8

Explanation:

15% of 32 is 

15 x 32/100 = 4.8.

 

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

17 3043
Q:

What will be the acute angle between the hour-hand and the minute-hand at 4:37 p.m.?

A) 18.5° B) 83.5°
C) 18° D) 6.5°
 
Answer & Explanation Answer: B) 83.5°

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Filed Under: Clocks
Exam Prep: Bank Exams

9 3042
Q:

Which of the following is not a prime number?

A) 5 B) 11
C) 21 D) 37
 
Answer & Explanation Answer: C) 21

Explanation:

A prime number is a whole number greater than 1 whose only factors are 1 and itself.

 

Factors of 5 are 1, 5

Factors of 11 are 1, 11

Factors of 21 are 1, 3, 7, 21

Factors of 37 are 1, 37.

 

Hence, according to the definition of a prime number, 21 is not a prime number as it has more than two factors.

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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6 3041
Q:

ln a company all Mondays and Sundays are offs. If a month starts with a Monday and has 31 days then how manys offs will be there in that month?

A) 7 B) 8
C) 9 D) 5
 
Answer & Explanation Answer: C) 9

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Filed Under: Calendar
Exam Prep: Bank Exams

21 3037
Q:

(3x + 2) (2x - 5) = ax² + kx + n. What is the value of  a - n + k ?

A) 4 B) 1
C) 5 D) 3
 
Answer & Explanation Answer: C) 5

Explanation:

(3x + 2) (2x - 5) = ax2+kx+n ...............(1)

 

But (3x + 2)(2x - 5) = 6x2-11x-10........(2)

 

so by comparing (1) & (2),

 

we get a= 6, k= -11 , n= -10

 

(a - n + k) = 6 + 10 - 11 = 5.

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Filed Under: Numbers
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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