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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A man buys a watch for Rs1950 in cash and sells it for Rs 2200 at a credit of 1 yr. The rate of interest is 10% per annum. Then he gains or loose how much amount?

A) 50 B) 55
C) 15 D) 45
 
Answer & Explanation Answer: A) 50

Explanation:

S.P = P.W of Rs. 2200 due 1yr hence = Rs. [(2200 x 100)/100+(10 x 1)] = Rs.2000 

 

Gain = Rs.(2000-1950) = Rs. 50

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Filed Under: True Discount

0 3324
Q:

The areas of three consecutive faces of a cuboid are 12 cm², 20cm² and 15 cm², then the volume (in cm³) of the cuboid is

A) 60 B) 55
C) 45 D) 40
 
Answer & Explanation Answer: A) 60

Explanation:

From the given data,

let the length, breadth and height of the cuboid are m, n, r

m x n = 12

n x r = 20

r x m = 15

 

Hence, m x n x n x r x r x m = 12 x 20 x 15

mnr = sqrt of (12x20x15) = 60 cub.cm.

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Filed Under: Volume and Surface Area
Exam Prep: AIEEE , Bank Exams , CAT
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11 3321
Q:

Two buses travel to a place at 45 km/hr and 60 km/hr respectively. If the second bus takes 51⁄2 hours less than the first for the journey, the length of the journey is:

A) 900 km B) 940 km
C) 990 km D) 1300 km
 
Answer & Explanation Answer: C) 990 km

Explanation:
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Filed Under: Time and Distance
Exam Prep: Bank Exams

4 3321
Q:

If 5th January 2011 was a Thursday, then what day of the week was it on 1st January 2013 ?

A) Thursday B) Wednesday
C) Tuesday D) Monday
 
Answer & Explanation Answer: B) Wednesday

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

25 3321
Q:

The difference between the present ages of Avanthi and Kapil is 9 years. After 7 years, Kapil’s age is twice of Avanthi’s age. What will be Kapil’s age after 4 years?

A) 15 B) 16
C) 18 D) 20
 
Answer & Explanation Answer: A) 15

Explanation:

Let the present ages of Kapil and Avanthi be K & A

Given difference in their ages = K - A = 9 years ...........(1)

After 7 years, K + 7 =  2(A + 7) ......(2)

K + 7 = 2A + 14

K - 2A = 7 ............(3)

K - A = 9 ....(1)

From (1) & (3),

-A = -2

=> A = 2 years

=> K = 9 + 2 = 11 years

 

Required, age of Kapil after 4 years = 11 + 4 = 15 years.

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Filed Under: Problems on Ages
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3 3319
Q:

For a nominal interest rate of 8.4%, what is the compounding frequency if the periodic interest rate is 4.2

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

Explanation:

i=j/m

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

0 3313
Q:

Find the compound amount if $1200 is deposited at 8% interest for 11 years if interest is compounded continuously

A) 1456 B) 1456
C) 1693.08 D) 1890
 
Answer & Explanation Answer: C) 1693.08

Explanation:

M=Pe^yr

 

2893.08

 

I=M-P

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

0 3303
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

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

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