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Floor Based Reasoning Puzzle for IBPS Clerk Pre, NRA CET | Reasoning Puzzles PDF at Smartkeeda

Directions: Read the given information carefully and answer the questions given beside:

Eight people Aarush, Bindu, Chunnu, Divya, Etti, Prithvi, Gopal and Harish live in an eight storey building, but not necessarily in the same order. The lowermost floor is numbered 1 and the topmost floor is numbered 8.

Aarush lives on an even-numbered floor but not on the floor numbered second or fourth. Only three floors are there between Aarush and Bindu. Only two people live between Chunnu and Etti. Prithvi lives on a floor above Divya. There are equal numbers of floors between the floors on which Etti and Bindu live and between the floors on which Aarush and Etti live. Harish lives immediately below Divya’s floor. Gopal lives immediately below Aarush’s floor.
1
Prithvi lives on which of the following floors?
» Explain it
B
Prithvi lives on fifth floor.

Option B, is hence the correct answer.

Final table:


Floor Number Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
 
Common explanation:

Reference:

Aarush lives on an even-numbered floor but not on the floor numbered second or fourth.
Only three floors are there between Aarush and Bindu.
Gopal lives immediately below Aarush’s floor.

Inference:

Floor Number Case 1 Case 2 Hint
Person Person
8   Aarush  
7   Gopal  
6 Aarush    
5 Gopal    
4   Bindu Aarush - ×
3      
2 Bindu   Aarush - ×
1      

Reference:

There are equal numbers of floors between the floors on which Etti and Bindu live and between the floors on which Aarush and Etti live.
Only two people live between Chunnu and Etti.

Inference:
 
Here, Case 1 splits into two more cases:
 
Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    
 
Reference:

Harish lives immediately below Divya’s floor.
Prithvi lives on a floor above Divya.

Inference:

Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    

Case 1 A fails here as there is no such place to accomodate Harish and Divya.
 
Floor Number Case 1B Case 2
Person Person
8 Divya Aarush
7 Harish Gopal
6 Aarush Etti
5 Gopal  
4 Etti Bindu
3   Chunnu
2 Bindu Divya
1 Chunnu Harish


Case 1 B fails here as it violates the second condition where Prithvi lives on the floor above Divya.
Thus, we get case 2 as our final arrangement.

Floor Number Case 2
Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
2
How many floors are there between Bindu and Divya?
» Explain it
B
There is only one floor between Bindu and Divya.

Option B, is hence the correct answer.

Final table:


Floor Number Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
 
Common explanation:

Reference:

Aarush lives on an even-numbered floor but not on the floor numbered second or fourth.
Only three floors are there between Aarush and Bindu.
Gopal lives immediately below Aarush’s floor.

Inference:

Floor Number Case 1 Case 2 Hint
Person Person
8   Aarush  
7   Gopal  
6 Aarush    
5 Gopal    
4   Bindu Aarush - ×
3      
2 Bindu   Aarush - ×
1      

Reference:

There are equal numbers of floors between the floors on which Etti and Bindu live and between the floors on which Aarush and Etti live.
Only two people live between Chunnu and Etti.

Inference:
 
Here, Case 1 splits into two more cases:
 
Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    
 
Reference:

Harish lives immediately below Divya’s floor.
Prithvi lives on a floor above Divya.

Inference:

Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    

Case 1 A fails here as there is no such place to accomodate Harish and Divya.
 
Floor Number Case 1B Case 2
Person Person
8 Divya Aarush
7 Harish Gopal
6 Aarush Etti
5 Gopal  
4 Etti Bindu
3   Chunnu
2 Bindu Divya
1 Chunnu Harish


Case 1 B fails here as it violates the second condition where Prithvi lives on the floor above Divya.
Thus, we get case 2 as our final arrangement.

Floor Number Case 2
Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
3
Who among the following lives on the first floor?
» Explain it
A
Harish Lives on the first floor.

Option A, is hence the correct answer.

Final table:


Floor Number Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
 
Common explanation:

Reference:

Aarush lives on an even-numbered floor but not on the floor numbered second or fourth.
Only three floors are there between Aarush and Bindu.
Gopal lives immediately below Aarush’s floor.

Inference:

Floor Number Case 1 Case 2 Hint
Person Person
8   Aarush  
7   Gopal  
6 Aarush    
5 Gopal    
4   Bindu Aarush - ×
3      
2 Bindu   Aarush - ×
1      

Reference:

There are equal numbers of floors between the floors on which Etti and Bindu live and between the floors on which Aarush and Etti live.
Only two people live between Chunnu and Etti.

Inference:
 
Here, Case 1 splits into two more cases:
 
Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    
 
Reference:

Harish lives immediately below Divya’s floor.
Prithvi lives on a floor above Divya.

Inference:

Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    

Case 1 A fails here as there is no such place to accomodate Harish and Divya.
 
Floor Number Case 1B Case 2
Person Person
8 Divya Aarush
7 Harish Gopal
6 Aarush Etti
5 Gopal  
4 Etti Bindu
3   Chunnu
2 Bindu Divya
1 Chunnu Harish


Case 1 B fails here as it violates the second condition where Prithvi lives on the floor above Divya.
Thus, we get case 2 as our final arrangement.

Floor Number Case 2
Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
4
Who among the following lives on the seventh floor?
» Explain it
C
Gopal lives on the seventh floor.

Option C, is hence the correct answer. 

Final table:


Floor Number Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
 
Common explanation:

Reference:

Aarush lives on an even-numbered floor but not on the floor numbered second or fourth.
Only three floors are there between Aarush and Bindu.
Gopal lives immediately below Aarush’s floor.

Inference:

Floor Number Case 1 Case 2 Hint
Person Person
8   Aarush  
7   Gopal  
6 Aarush    
5 Gopal    
4   Bindu Aarush - ×
3      
2 Bindu   Aarush - ×
1      

Reference:

There are equal numbers of floors between the floors on which Etti and Bindu live and between the floors on which Aarush and Etti live.
Only two people live between Chunnu and Etti.

Inference:
 
Here, Case 1 splits into two more cases:
 
Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    
 
Reference:

Harish lives immediately below Divya’s floor.
Prithvi lives on a floor above Divya.

Inference:

Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    

Case 1 A fails here as there is no such place to accomodate Harish and Divya.
 
Floor Number Case 1B Case 2
Person Person
8 Divya Aarush
7 Harish Gopal
6 Aarush Etti
5 Gopal  
4 Etti Bindu
3   Chunnu
2 Bindu Divya
1 Chunnu Harish


Case 1 B fails here as it violates the second condition where Prithvi lives on the floor above Divya.
Thus, we get case 2 as our final arrangement.

Floor Number Case 2
Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
» Explain it
E
Chunnu lives on the third floor - is the only true statement.

Option E, is hence the correct answer.

Final table:


Floor Number Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish
 
Common explanation:

Reference:

Aarush lives on an even-numbered floor but not on the floor numbered second or fourth.
Only three floors are there between Aarush and Bindu.
Gopal lives immediately below Aarush’s floor.

Inference:

Floor Number Case 1 Case 2 Hint
Person Person
8   Aarush  
7   Gopal  
6 Aarush    
5 Gopal    
4   Bindu Aarush - ×
3      
2 Bindu   Aarush - ×
1      

Reference:

There are equal numbers of floors between the floors on which Etti and Bindu live and between the floors on which Aarush and Etti live.
Only two people live between Chunnu and Etti.

Inference:
 
Here, Case 1 splits into two more cases:
 
Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    
 
Reference:

Harish lives immediately below Divya’s floor.
Prithvi lives on a floor above Divya.

Inference:

Floor Number Case 1A Case 1B Case 2 Hint
Person Person Person
8     Aarush  
7 Chunnu   Gopal  
6 Aarush Aarush Etti  
5 Gopal Gopal    
4 Etti Etti Bindu  
3     Chunnu  
2 Bindu Bindu    
1   Chunnu    

Case 1 A fails here as there is no such place to accomodate Harish and Divya.
 
Floor Number Case 1B Case 2
Person Person
8 Divya Aarush
7 Harish Gopal
6 Aarush Etti
5 Gopal  
4 Etti Bindu
3   Chunnu
2 Bindu Divya
1 Chunnu Harish


Case 1 B fails here as it violates the second condition where Prithvi lives on the floor above Divya.
Thus, we get case 2 as our final arrangement.

Floor Number Case 2
Person
8 Aarush
7 Gopal
6 Etti
5 Prithvi
4 Bindu
3 Chunnu
2 Divya
1 Harish

Puzzle based important questions for IBPS Clerk Pre 2021
 
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