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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

How many days are there in x weeks x days?

A) 7x * x B) 8x
C) 14x D) 7
 
Answer & Explanation Answer: B) 8x

Explanation:

x weeks x days = (7x + x) days = 8x days.

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Filed Under: Calendar

303 52585
Q:

Find the odd man out of the number series?

18, 37, 76, 155, 314, 635

A) 37 B) 155
C) 314 D) 635
 
Answer & Explanation Answer: D) 635

Explanation:

Given Number series is 18     37     76     155     314     635

 

follows a pattern that, 

 

18

 

18 x 2 +1 = 37

 

37 x 2 +2 = 76

 

76 x 2 +3 = 155

 

155 x 2 +4 = 314

 

314 x 2 +5 = 633 not 635

 

 

 

Hence, the odd man is 635.

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

7 52533
Q:

Given that (a2 + b2) = 60, then find the value of (a + b)2 + (a - b)2 ?

 

A) 90 B) 120
C) 140 D) 150
 
Answer & Explanation Answer: B) 120

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 52504
Q:

35+37=?

 

A) 935 B) 612
C) 1135 D) 635
 
Answer & Explanation Answer: C) 1135

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 52453
Q:

A is a working and B is sleeping partners in a business. A puts in Rs. 5000 and B puts in Rs.6000. A receives % of the profit for managing the business and the rest is divided in proportion to their capital. What does each get out of a profit of Rs. 880?

Answer

Total profit = Rs. 880


A's share for managing the business i.e 


\inline 12\frac{1}{2} %  =  \inline \frac{25\times 880}{200}=Rs.110


Remaining profit of A and B as per their capital = 880 - 110 = Rs. 770


Ratio of amounts = 5000 : 6000 = 5 : 6


Sum of ratios = 5 + 6 = 11


A's share = \inline 770\times \frac{5}{11}= Rs.350


A's total share = 350 + 110 = Rs. 460


B's share = \inline 770\times \frac{6}{11}=Rs.420

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Subject: Partnership

85 52382
Q:

If x2 + kx + k = 0, has two distinct real solutions, then the value of k will satisfy

 

A) k<0 or k>4 B) k>4 only
C) 0<k<4 D) k<0 only
 
Answer & Explanation Answer: A) k<0 or k>4

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 52296
Q:

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

A) 74 B) 94
C) 184 D) 364
 
Answer & Explanation Answer: D) 364

Explanation:

L.C.M. of 6, 9, 15 and 18 is 90.

 

Let required number be 90k + 4, which is multiple of 7.

 

Least value of k for which (90k + 4) is divisible by 7 is k = 4.

 

=>Required number = (90 x 4) + 4   = 364.

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Filed Under: HCF and LCM

88 52227
Q:

Find the compound interest on Rs. 16,000 at 20% per annum for 9 months, compounded quarterly

A) 2422 B) 2522
C) 2622 D) 2722
 
Answer & Explanation Answer: B) 2522

Explanation:

Principal = Rs. 16000; Time = 9 months =3 quarters;
Rate = 20% per annum = 5% per quarter.
Amount = Rs. [16000 x (1+(5/100))3] = Rs. 18522.

 

 

 

CJ. = Rs. (18522 - 16000) = Rs. 2522

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Filed Under: Compound Interest
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Job Role: Bank PO

89 52210