Reasoning Questions for LIC AAO 2019 and SBI PO 2019 | Data Sufficiency Quiz for LIC AAO 2019 and SBI PO 2019 Exams at Smartkeeda

Directions: Each of the following consists of a question and some statements are given below it. You have to decide whether the data provided in the statements are sufficient to answer the question:
1
Seven persons – Avanti, Kajol, Anubhi, Babli, Abha, Geeta and Anita are standing in a queue. Each of them got a different rank in the class from 1 to 7. Who is standing in the middle of the queue?

Statement I: Avanti is first in the class and she is standing two places ahead of Babli. Babli is not the last person in the queue.

Statement II: Geeta and Anita are standing adjacent to each other and their ranks are also numerically adjacent to each other.

Statement III: Kajol who got 3rd rank in the class is standing behind only Abha.
» Explain it
E
Following the common explanation we can say that the data in all the statement I, II and III are necessary to answer the question.

Hence, the correct answer is option E.

Common explanation:

Reference:

Avanti is first in the class and she is standing two places ahead of Babli. Babli is not the last person in the queue.

Inference:

Using the above information we can say that, Babli is not at the 7th position in the queue.

But we cannot answer the question using the above reference alone.

Thus, data in statement I alone is sufficient to answer the question.

Reference:

Geeta and Anita are standing adjacent to each other and their ranks are also numerically adjacent to each other.

Inference:

Here, we cannot answer the question using the above reference alone.

Thus, data statement in II alone is also not sufficient to answer the question.

Reference:

Kajol who got 3rd rank in the class is standing behind only Abha.

Inference:

Using the above information we can say that Abha was at first position in the queue and immediately behind her was kajol who got third rank.

Here, we cannot answer the question using the above reference alone.

Thus, data statement in III alone is also not sufficient to answer the question.

Combining Statement I and statement II:

We cannot draw out the one who is standing in the middle of the queue.

Thus, data in statement I and II are not sufficient to answer the question.

Combining Statement II and statement III:

We cannot answer the question using these two statements.

Thus, data in statement II and III are not sufficient to answer the question.

Combining Statement I and statement III:

At this point there are two possible scenarios in which Statement I and III can be combined.
 
Case I:
 
Rank Position in queue
  Abha
3 Kajol
1 Avanti
   
  Babli
   
   
 
Case II:
 
Rank Position in queue
  Abha
3 Kajol
   
1 Avanti
   
  Babli
   
 
Here, either Avanti or anyone else can sit on the 4th position in the queue.

Thus, data in statement I and III are not sufficient to answer the question.

Combining statement I, statement II and statement III:

After, combining statement I and III we get:
 
Case I:
 
Rank Position in queue
  Abha
3 Kajol
1 Avanti
   
  Babli
   
   
 
Case II:
 
Rank Position in queue
  Abha
3 Kajol
   
1 Avanti
   
  Babli
   
 
And, from statement II we get,

Geeta and Anita are standing adjacent to each other and their ranks are also numerically adjacent to each other.

At this point we cannot place Geeta and Anita at the adjacent position in case 2 so we can say that case 2 is an invalid case.

After using the above information in case 1 we get,
 
Case I:

Anubhi is placed at
the only remaining spot
i.e. at 4th position.
 
Rank Position in queue
  Abha
3 Kajol
1 Avanti
   
  Babli
  Geta/Anita
  Anita/Geeta
 
Here, we can say that Anubhi is in the middle of the queue.

Thus, the data in all the statement I, II and III are necessary to answer the question.
 
2
Six people – Shreya, Himansh, Sujata, Suraj, Lata and Sudeep are living in a building such that only one person lives at one floor of the building. There are six floors in the building such that ground floor is numbered I, the floor above it is numbered II and so on. Who is living on Ground floor?

Statement I: There is only one floor between the floors on which floor Sujata and Himansh are living. Shreya is living on an even numbered floor.

Statement II: Lata is not living on an even numbered floor. Himansh is living on an even numbered floor. Himansh is not living on the top floor.

Statement III: Suraj is living on an odd numbered floor. There are two floors between the floor on which Suraj and Shreya are living. Lata is living immediately above Sujata.
» Explain it
C

Following the common explanation we can say that data in statement II and III are sufficient to answer the question, while the data in statement I is not sufficient to answer the question.

Hence, the correct answer is option C.

Common Explanation:

From Statement I:

Reference:

There is only one floor between the floors on which floor Sujata and Himansh are living. Shreya is living on an even numbered floor.

Inference:

Using the given information we can say that Sujata and Himansh are living at the gap of 1 floor and Shreya lives on one of the floors among 2, 4 and 6.

But, here we cannot surely say that who among them lives on the ground floor.

Here, data statement in I alone is not sufficient to answer the question.

From Statement II:

Reference:

Lata is not living on an even numbered floor. Himansh is living on an even numbered floor. Himansh is not living on the top floor.

Inference:

Using the given information we can say that Himansh is living on either floor 2 or 4 and Lata is living on one of the floors among 1, 3 and 5.

But, here we cannot surely say that who among them lives on the ground floor.

Here, data statement in II alone is also not sufficient to answer the question.

From Statement III:

Reference:

Suraj is living on an odd numbered floor. There are two floors between the floor on which Suraj and Shreya are living. Lata is living immediately above Sujata.

Inference:

Using the given information we can say that Suraj lives on one of the floors among 1, 3 and 5, there are two floors between Shreya and Suraj, and Lata lives immediately above Sujata.

But, here we cannot surely say that who among them lives on the ground floor.

Here, data statement in III alone is again not sufficient to answer the question.

From Statement I and II:

Reference:

There is only one floor between the floors on which floor Sujata and Himansh are living. Shreya is living on an even numbered floor.

Lata is not living on an even numbered floor. Himansh is living on an even numbered floor. Himansh is not living on the top floor.


Inference:

Using the information given in both statements I and II we can say that Himansh is living on either floor 2 or 4, Shreya lives on one of the floors among 2, 4 and 6, Lata is living on one of the floors among 1, 3 and 5 and Sujata and Himansh are living at the gap of 1 floor.

At this point there are three possible scenarios in which we can use the above hints accordingly.

 

  Possibility 1 Possibility 2 Possibility 3
Floor Person Person Person
6 Shreya Shreya Sujata
5      
4 Sujata Himansh Himansh
3      
2 Himansh Sujata Shreya
1      
 
Here, any of the persons among Lata, Sudeep and Suraj can be living on ground floor.

Thus, data in statement I and II are not sufficient to answer the question.

From Statement II and III:

Reference:

Lata is not living on an even numbered floor. Himansh is living on an even numbered floor. Himansh is not living on the top floor.

Suraj is living on an odd numbered floor. There are two floors between the floor on which Suraj and Shreya are living. Lata is living immediately above Sujata.


Inference:

Using the information given in both statements II and III we can say that Himansh is living on either floor 2 or 4, Lata and Suraj lives on one of the floors among 1, 3 and 5, there are two floors between Shreya and Suraj, and Lata lives immediately above Sujata.

At this point we can create a following floor plan with the above information.
 
Floor Person
6 Shreya
5 Lata
4 Sujata
3 Suraj
2 Himansh
1 Sudeep
 
Here, Sudeep is living on ground floor.

Thus, data in statement II and III are sufficient to answer the question.

From Statement I and III:

Reference:

There is only one floor between the floors on which floor Sujata and Himansh are living. Shreya is living on an even numbered floor.

Suraj is living on an odd numbered floor. There are two floors between the floor on which Suraj and Shreya are living. Lata is living immediately above Sujata.


Inference:

Using the information given in both statements I and II we can say that Suraj lives on one of the floors among 1, 3 and 5, Shreya lives on one of the floors among 2, 4 and 6 there are two floors between Shreya and Suraj, Sujata and Himansh are living at the gap of 1 floor and Lata lives immediately above Sujata.

At this point there are three possible scenarios in which we can use the above hints accordingly.
 
  Possibility A Possibility B Possibility C
Floor Person Person Person
6 Sudeep Lata Shreya
5 Suraj Sujata Lata
4 Lata Shreya Sujata
3 Sujata Himansh Suraj
2 Shreya Sudeep Himansh
1 Himansh Suraj Sudeep
 
Here, any of the persons among Himansh, Sudeep and Suraj can be living on ground floor.

Thus, data in statement I and III are not sufficient to answer the question.
3
What is the code for “Working” in a certain language?

Statement I: In a certain language “My computer not working” is coded as “tz jz ez sz” and “ Computer consists CPU and Mouse” is coded as “rz fz mz jz uz”

Statement II: In a certain language “ Smart preparation is Best” is coded as “lz dz pz gz” and “Smart working is best” is coded as “pz gz dz sz”
» Explain it
B
Statement I :

From statement I,

My/Computer/not/working-tz/jz/ez/sz

Computer/consist/CPU/and/Mouse-rz/fz/mz/jz/uz
 
By comparing ,

Only we get computer-jz
 
Therefore, not sufficient to answer the question.


Statement II :

From statement II,

Smart/preparation/is/best/-lz/dz/pz/gz

Smart/working/is/best-pz/gz/dz/sz
 
On Comparing,

Smart/is/best-pz/gz/dz

Preparation-lz

Working-sz

Hence it is, sufficient to answer the question.

The data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

Hence, option B is correct.
 
4
'A + B' means 'A is mother of B' 
'A – B' means 'A is the sister of B' 
'A * B' means 'A is father of B' 
'A = B' means 'A is the brother of B' 
'A @ B' means 'A is the daughter of B'
 
How is Q related to U?
 
Statement I:  P * Q – S = T @ V
Statement II:  P * Q + R – S – W
Statement III:  T + R * U – Y
» Explain it
A
Note: All statement are solved based on given information. All comparisons are done based on given options.

Statement I:

Brief: P is the father of Q. Q is the sister of S. S is the brother of T. T is daughter of V.



Note: No information regarding U. So Not sufficient to answer.


Statement II:

Brief: P is the father of Q. Q is mother of R. R is sister of S. S is the sister of W.



Note: No information regarding U. So Not sufficient to answer


Statement III:

Brief: T is the mother of R. R is the father of U. U is the sister of Y.



Note: No information regarding Q. So Not suff


Statement I and Statement III

Note: Statements II and III can't be combined as in statement II R is a female where in statement III R is a male.

Combining 1 & 3,



sufficient to answer

Ans: Option A The data in statement I and III are sufficient to answer the question.

5
Six persons C, D, E, F, G and H are sitting around a circular table. Are all facing inside the circle?

Statement I: Two persons sit between C and G. H is not an immediate neighbor of C who faces inside the circle. E faces the same direction as H.

Statement II: G sits second to the right of E. Immediate neighbors of C face the same direction. Immediate neighbours of G face the same direction.

Statement III: Two persons sit between F and H. Immediate neighbors of E faces the same direction.
» Explain it
D
Note: All statement are solved based on given information. All comparisons are done based on given options.

Statement I and Statement II

C faces inside the circle.

• Two persons sit between C and G.

• H is not an immediate neighbor of C.

• E faces the same direction as H.

• G sits second to the right of E.

• Immediate neighbors of G face the same direction.

• Immediate neighbors of C face the same direction.

Two possibilities based on the above information. Hence it is not sufficient to answer the question.

By comparing statements I & II,

Case: 1



By comparing statements I & II,

Case: 2



Statement II and Statement III

• G sits second to the right of E.

• Immediate neighbors of G face the same direction.

• Immediate neighbors of C face the same direction.

• Two persons sit between F and H

• Immediate neighbors of E face the same direction.

Note: between F/H and G/E. Two possibilities based on the above information. Hence it is not sufficient to answer the question.

By comparing statements II & III,

Case: 1



By comparing statements II & III,

Case: 2



Statement III and Statement I

C faces inside the circle.

• Two persons sit between C and G.

• H is not an immediate neighbor of C.

• E faces the same direction as H.

• Two persons sit between F and H

• Immediate neighbors of E face the same direction.

Note: In case-1, If E sits on the immediate left of C, then H faces inside the circle. But any way, we doesn’t get the direction of G. Similar condition is applicable for Case-2. Hence it is not sufficient to answer the question.

By comparing statements III & I,

Case: 1



By comparing statements III & I,

Case: 2



Statement I, Statement II and Statement III

C faces inside the circle. Two persons sit between C and G. H is not an immediate neighbor of C.

• E faces the same direction as H.

• G sits second to the right of E. Immediate neighbors of G faces the same direction.

• Immediate neighbors of C face the same direction.

• Two persons sit between F and H.

• Immediate neighbors of E face the same direction.

Case: 1



Case: 1 gets eliminated. Immediate neighbors of E face the same direction.

Case: 2



Direction of G is not known.

Hence it is not sufficient to answer the question.

Option: D (All I, II, III statements are together not sufficient to answer the question)
 
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