Aptitude and Reasoning Questions

Q:

A Contractor employed a certain number of workers  to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realised that the work would get delayed by three-fourth of the  scheduled time, so he at once doubled the no of workers and thus he managed to finish the road on the scheduled time. How much work he had been completed, before increasing the number of workers?

A) 10 % B) 14 ( 2/7 )%
C) 20 % D) Can't be determined
 
Answer & Explanation Answer: B) 14 ( 2/7 )%

Explanation:

Let he initially employed x workers which works for D days and he estimated 100 days for the whole work and then he doubled the worker for (100-D) days.

D * x +(100- D) * 2x= 175x 

=>  D= 25 days 

Now , the work done in 25 days = 25x 

Total work = 175x

Therefore, workdone before increasing the no of workers = 25x175x×100 % = 1427%

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Filed Under: Time and Work

107 31720
Q:

If "A" means "minus", "B" means "divided by", "C" means "plus" and "D" means "multiplied by", then

 

54 B 6 A 4 C 2 D 5 = ?

 

A) 15 B) 21
C) 16 D) 18
 
Answer & Explanation Answer: A) 15

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

1 31715
Q:

In the following question, select the related letter pair from the given alternatives.

 

SQM : RPL : : ? : ?

 

A) KCN : JBO   B) DQA : CPB  
C) BSU : ART   D) PYC : OXD
 
Answer & Explanation Answer: C) BSU : ART  

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

3 31712
Q:

Find the next two terms in the series

 

J-11, L-13, N-15, P-17, ?, ?

 

A) C-3, H-8 B) R-18, V-22
C) R-19, T-21 D) O-15, R-16
 
Answer & Explanation Answer: D) O-15, R-16

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

4 31706
Q:

A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family ?

A) 31( 5/7) B) 32 (6/7)
C) 34(4/7) D) 35(4/9)
 
Answer & Explanation Answer: A) 31( 5/7)

Explanation:

Required average = (67 * 2 + 35 * 2 + 6 * 3) / (2 + 2 + 3)

                           = (134 + 70 + 18) / 7  =  222 / 7 = 31(5/7) years.

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Filed Under: Average

13 31702
Q:

Select the missing term based on the given related pair of letter clusters.

 

BFK : IMR :: DGP : __

 

A) WNK B) KNZ
C) KNW D) KWN
 
Answer & Explanation Answer: C) KNW

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

2 31700
Q:

In what proportion would Raj, Karan and Altaf distribute profit among them ? 

I. Raj gets two-fifth of the profit. 

II. Karim and Altaf have made 75% of the total investment.

A) If the data in statement I alone are sufficient to answer the question B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question; D) If the data even in both the statements together are not sufficient to answer the question
 
Answer & Explanation Answer: D) If the data even in both the statements together are not sufficient to answer the question

Explanation:

Even both the statements together are not sufficient to answer the question. 

 

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Filed Under: Data Sufficiency

31 31693
Q:

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

 

ROK : SNL : : PAT : ?

 

A) NYR   B) RCV
C) QZU D) OZS
 
Answer & Explanation Answer: C) QZU

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

2 31692