Aptitude and Reasoning Questions

Q:

A can build a wall in 16 days while B can destroy it in 8 days. A worked for 5 days. Then B joined with A for the next 2 days. Find in how many days could A build the remaining wall ?

A) 12 days B) 14 days
C) 13 days D) 16 days
 
Answer & Explanation Answer: C) 13 days

Explanation:

Now, Total work = LCM(16, 8) = 48

A's one day work = + 48/16 = + 3

B's one day work = - 48/8 = -6

Given A worked for 5 days to build the wall => 5 days work = 5 x 3 = + 15

2days B joined with A in working = 2(3 - 6) = - 6

Remaining Work of building wall = 48 - (15 - 6) = 39

Now this remaining work will be done by A in = 39/3 = 13 days.

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Filed Under: Time and Work
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

23 13777
Q:

Find out from amongst the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line.

     (X)                      (1)                  (2)                  (3)                  (4)

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

Explanation:
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Filed Under: Paper Folding

27 13767
Q:

In a certain code 'Black' means Orange', 'Orange' means Violet','Violet' means 'Green', 'Green' means 'White' ,'White', means 'Yellow' and 'Yellow' means 'Sky blue', what is the colour of coal ?

A) Orange B) Sky Blue
C) Violet D) Yellow
 
Answer & Explanation Answer: A) Orange

Explanation:

The colour of coal is Black. In the code language ,black is called orange. So, the colour of coal is Orange.

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Filed Under: Coding and Decoding
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

50 13764
Q:

In a certain code PARINATH is written as QFQHOBSG and POLE as QPKD, how will SYNDROME  be written in that code?

A) RXOEQNNF B) TZOEQNLD
C) TZMCSPKD D) TZMCSPLD
 
Answer & Explanation Answer: D) TZMCSPLD

Explanation:

Word is divided into groups of two letters each and then letters of each group move one place forward and one place backward alternatively as in English alphabet. Hence, 

PERINATH => PE RI NA TH =>QFQHOBSG  and POLE => PO LE => QPKD

similarly,

SYNDROME => SY ND RO ME => TZMCSPLD

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Filed Under: Coding and Decoding

50 13763
Q:

A is the son of B, C.  B's sister has a son D and a daughter E. F is the maternal uncle of D. How is A related to D ? 

A) Cousin B) Uncle
C) Nephew D) Brother
 
Answer & Explanation Answer: A) Cousin

Explanation:

A is the son of B and D is the son of the sister of B. So, A is the cousin of D. 

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Filed Under: Blood Relations

27 13751
Q:

The average of a set of whole numbers is 27.2. when the 20% of the elements are eliminated from the set of numbers then the average become 34. The number of elements in the new set of numbers can be :

A) 27 B) 35
C) 52 D) 63
 
Answer & Explanation Answer: C) 52

Explanation:

only (c) is correct since it is divisible by 4.

 

Let the original number of element  be x then the new no.of elements will be 

 

            4x5 = K                               

 

So K must be divisible by 4

 

Since,      x =  Kx5/4

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Filed Under: Percentage
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12 13747
Q:

How many letters are there in the word 'CREATIVE' which have as many letters between them in the word as in the alphabet ? 

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

Explanation:

Letters in the word                   Letters in the alphabet

CRE                                                  CDE

ATIVE                                               ABCDE

TIV                                                   TUV

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Filed Under: Alphabet Test

42 13735
Q:

The bar graph given indicates the income of a firm. Study the graph and answer the questions given.

Which period shows a steady increase of income?

A) March to May B) February to April
C) February to May D) Insufficient data to predict
 
Answer & Explanation Answer: A) March to May

Explanation:
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Filed Under: Bar Charts
Exam Prep: Bank Exams

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