Important Concepts and Tips to Solve Data Sufficiency Questions in Reasoning- Download in PDF

January 30, 2017    

Important Concepts and Tips to Solve Data Sufficiency Questions in Reasoning- Download in PDF
Important Concepts and Tips to Solve Data Sufficiency Questions in Reasoning- Download in PDF:
Dear Readers, we have given the Important Tips to Solve Data Sufficiency Questions in Reasoning Section, which were most expected questions in Upcoming Exams 2017. Candidates those who are preparing for the exams can download this in PDF and use it for your further reference.
https://www.youtube.com/channel/UC-2Ga6vFz3l4Q-O0jFVnIIg
About Data Sufficiency:
·         These type of questions consists of problems on any reasoning topics like blood relation, coding-decoding, direction test, ranking, seating arrangement, etc. followed by statements containing clues to solve the question
·         The candidates are supposed to find out which of the given statements is or are sufficient to solve the given question
·         This section tests the candidate’s efficiency to determine the information necessary to solve the given problem
·         We have to make sure whether the question can be solved with the help of information provided in the 1st statement or 2nd statement or together in the 1st and the 2nd statement
·         We are not supposed to assume anything beyond the information given in the question and the following statements
Example Questions:
DIRECTIONS
Answer (1) if the data in statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question
Answer (2) if the data in statement II alone is sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question
Answer (3) if the data either in statement I alone or in statement II alone are sufficient to answer the question
Answer (4) if the data even in statement I and II together are not sufficient to answer the question
Answer (5) if the data in both statement I and II together are necessary to answer the question
QUESTION 1
The Chairman of a big company visits one department on Monday of every week expect for the Monday of 3rd week of every month. When did he visit the Purchase department?
Statement:
I. He visited Accounts department in the 2nd week of September after having visited Purchase department on the earlier occasion
II. He had visited Purchase department immediately after visiting Stores department but before visiting Accounts department
From statement I alone we can deduce that the chairman visited the Purchase department on Monday of the 1st week of September
From statement II alone we cannot determine the time of visit of any of the departments. Therefore this statement is not sufficient enough to answer the question
Therefore, statement I alone is sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question
Hence Answer: (1)
QUESTION 2
P, Q, R, S and T are sitting around a circular table facing towards the centre. Who is 2nd to the right of P?
Statement:
I. R is to the immediate left of T and 2nd to the right of S
II. Q is to the immediate right of S and 3rd to the left of P
From statement I alone we cannot deduce the arrangements
Therefore, the 2nd position to the right of P can be occupied by either Q or T. It cannot be determined by statement I alone                   

From statement II alone we can come to the following conclusions
Here the 2nd position to the right of P can be clearly determined as Q
Therefore, statement II alone is sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question
Hence Answer: (2)
QUESTION 3
In a certain code language, ‘2 9 7’ means ‘tie clip button’. Which number means ‘button’ in that language?
Statement:
I. In the same code language, ‘9 2 6’ means ‘clip your tie’
II. In the same language, ‘1 7 5’ means ‘hole and button’
From statement I alone we can deduce the common words between the question and this statement are ‘tie’ and ‘clip’ and the common codes are ‘2’ and ‘9’. So, ‘2’ and ‘9’ are codes for tie and clip. Therefore the code for ‘button’ is ‘7’
From statement II alone we can see that the word ‘button’ is common between the question and statement II. Similarly ‘7’ is the common code between them. Therefore, ‘button’ is ‘7’
Therefore, statement I alone or in statement II alone are sufficient to answer the question
Hence Answer: (3)
QUESTION 4
Among A, B, C, D and E, who earns more than only the least earner among them?
Statement:
I. B earns more than A and D but less than only C
II. A earns more than D who earns less than E

Therefore either E or A earns more than the least earner D and we don’t have any other clue to determine which one of them is the exact answer
Therefore, data even in statement I and II together are not sufficient to answer the question
Hence Answer: (4)
QUESTION 5
How is P related to Q?
Statement:
I. R’s sister S has married P’s brother T, who is the only son of his parents
II. Q is the only daughter of T and S
From statement I alone we know that T is P’s brother and S’s husband. Since T is the only son of his parents, P is T’s sister
From statement II alone we can understand that Q is T’s daughter
Now considering statements I and II together, we can conclude that P is the sister of Q’s father i.e., P is Q’s aunt
Here answer cannot be found using one statement alone.
Therefore, data in both statements I and II together are necessary to answer the question
Hence Answer: (5)

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Important Concepts and Tips to Solve Data Sufficiency Questions in Reasoning- Download in PDF 4.5 5 Yateendra sahu January 30, 2017 Important Concepts and Tips to Solve Data Sufficiency Questions in Reasoning- Download in PDF: Dear Readers,  we have given the Important ...


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