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Q:

In the following question, select the related number from the given alternatives.
7 : 56 : : 11 : ?

A) 121 B) 123
C) 132 D) 134
 
Answer & Explanation Answer: C) 132

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

Q:

In the following question, select the related letters from the given alternatives.
DJLQ : WQOJ : : DMSW : ?

A) WNHD B) WNDH
C) WHND D) WWCC
 
Answer & Explanation Answer: A) WNHD

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

Q:

In the following question, select the related word from the given alternatives.
Frog : Amphibian : : Lizard : ?

A) Rodent B) Mammal
C) Reptile D) Insect
 
Answer & Explanation Answer: C) Reptile

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

Q:

If the mean of m observations out of n observations is n and the mean of remaining observations is m, then what is the mean of all n observations?

A) 2m –m^2/n B) 2m –m/n
C) 2m D) 2m –m
 
Answer & Explanation Answer: A) 2m –m^2/n

Explanation:

Mean of m observations is n

Mean of n-m observations is m

So total = nm+ (n-m)m

Total observations = n

Mean = Total / Total observations = (2mn-m^2)/n = 2m –m^2/n

 

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

The monthly expenditure of a person is Rs. 6000. The distribution of expenditure on various items is as follows:

Item of expenditure            Amount(in Rs.)
Food                                      2000
Clothing                                   660
Fuel and rent                          1200
Education                                 480
Miscellaneous                         1660

If the above data is represented by a percentage bar diagram of height 15 cm, then what are the lengths of the two segments of the bar diagram corresponding to education and miscellaneous respectively?

 

A) 1.25 cm and 5 cm B) 1.2 cm and 4.15 cm
C) 1.2 cm and 3.5 cm D) 4.15 cm and 6 cm
 
Answer & Explanation Answer: B) 1.2 cm and 4.15 cm

Explanation:
15 cm corresponds to 6000 rs
Education = 480/6000 * 15 cm = 1.2 cm
Miscellaneous = 1660/6000 * 15 cm = 4.15 cm
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Filed Under: Bar Charts
Exam Prep: Bank Exams

Q:

The data collected from which one of the following methods is not a primary data?

A) By direct personal interviews B) By indirect personal interviews
C) By schedules sent through enumerators D) From published thesis
 
Answer & Explanation Answer: D) From published thesis

Explanation:
Primary data is information that you collect specifically for the purpose of your research project.
An advantage of primary data is that it is specifically tailored to your research needs. A disadvantage is that it is expensive to obtain.
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Filed Under: Quantitative Aptitude - Data Interpretation
Exam Prep: Bank Exams

Q:

Diagrammatic representation of data includes which of the following?

1) Bar diagram

2) Pie-diagram

3) Pictogram

Select the correct answer using the code given below:

 

A) 1 and 2 only B) 2 and 3 only
C) 1 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: D) 1, 2 and 3

Explanation:
All three are types of data representation
Pictogram uses pictures so show different identities with different numbers
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Filed Under: Quantitative Aptitude - Data Interpretation
Exam Prep: Bank Exams

Q:

Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers?

 

A) 33 B) 44
C) 55 D) 66
 
Answer & Explanation Answer: C) 55

Explanation:

All such 2 digit numbers are 11,22,33,44....... upto 99

Forms an AP

So sum = n/2(a+l)

= 9/2(11+99)

Average = sum/9 = ½(11+99) = 55

 

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Filed Under: Numbers
Exam Prep: Bank Exams