Reasoning: Puzzles and Arrangements for RRB Prelims Set 50

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Directions (1 – 5): Answer the questions on the basis of the information given below.

8 friends – Ginni, Pooja, Kirti, Kavya, Trisha, Sheetal, Seema and Prerna live in a 8-floored building (numbered 1 to 8). They earn different amounts (in Rupees) – 12000, 16000, 23000, 32000, 40000, 53000, 55000 and 69000.

Trisha earns Rs 55,000. She lives on one of the floor above floor 4. Kirti lives on an even numbered floor above Trish. There are 2 floors between the floors of Kirti and the one who earns Rs 40,000. Also there is 1 floor between the one who earns Rs 40,000 and Seema. Seema and Pooja lives on immediate floors such that there are 2 floors between the floors of Trisha and Pooja. There are 2 floors between the floors of Ginni and Sheetal. Sheetal earns Rs 7,000 more than Kavya. Atleast 2 peoples live between Kavya and one who earns Rs 55,000. Ginni earns the amount equal to the difference between the earnings of Trisha and Sheetal. There is one floor between the floors of one who earns Rs 23,000 and Rs 53,000. Kirti earns Rs 12,000.

  1. Who lives on 5th floor?
    A) Kavya
    B) Trisha
    C) Pooja
    D) Sheetal
    E) Seema
    View Answer
      Option B
    Arrangement:
    Kirti is above Trisha, so is above 4th floor, so can be on 6th or 8th floor. Next if Kirti on 6th floor, then oy possibility for Trisha – 55,000 is 5th floor. 2 between Kirti and 40000. 2 possibilities here as:
    8 –                                                         8 – Kirti
    7 –                                                         7 –
    6 – Kirti                                               6 – 
    5 – Trisha – 55000                            5 –                        40000
    4 – 
    3 –                40000Now 1 between 40 and Seema. Seema and Pooja lives on immediate floors such that there are 2 floors between the floors of Trisha and Pooja.
    So In 1st possibility we have:
    8 –                                                         
    7 –                                                          
    6 – Kirti                                               
    5 – Trisha – 55000                            
    4 – 
    3 –                40000
    2 – Pooja
    1 –  Seema
    In 2nd, if Seema on 6th floor, Trisha cannot be placed above 4th floor because 2 people between Trisha and Pooja. So Seema on 3rd floor. Now if Pooja on 2nd floor, Trisha -55 on 5th floor which is not possible. So Pooja is on 4th. And Trisha 7th:
     8 – Kirti
     7 – Trisha
     6 – 
     5 –                        40000
     4 – Pooja
     3 – Seema Now 2 between Ginni and Sheetal. So in 1st Ginni/Sheetal on 4th and 7th and in 2nd- Ginni/Sheetal on 2nd and 5th.
    Sheetal earns Rs 7,000 more than Kavya. So Sheetal = 23,000 and Kavya 16,000. Only these values have difference of 7000. 
    Atleast 2 peoples live between Kavya and one who earns Rs 55,000. So in 1st Kavya on top floor, and in 2nd possibility, Kavya on 1st floor. Remaining floor for Prerna. Ginni earns the amount equal to the difference between the earnings of Trisha and Sheetal. So Ginni = 55-23 = 32000. But in 2nd arrangement Ginni/Sheetal who is of 5th floor earns 40000, so 2nd becomes false. Proceed with 1st.
    Final::

  2. Seema earns how much amount?
    A) Rs 69,000
    B) Rs 32,000
    C) Rs 40,000
    D) Rs 53,000
    E) Cannot be determined
    View Answer
      Option A
  3. How many people live between the floors of Pooja and Sheetal?
    A) None
    B) One
    C) Two
    D) Three
    E) Four
    View Answer
      Option B
  4. What is the difference in the earnings of Kirti and Prerna?
    A) Rs 36,000
    B) Rs 38,000
    C) Rs 14,000
    D) Rs 28,000
    E) None of these
    View Answer
      Option D
  5. Who lives on top floor?
    A) Pooja
    B) Ginni
    C) Kirti
    D) Trisha
    E) Kavya
    View Answer
      Option E

Directions (6 – 10): Answer the questions on the basis of the information given below.

10 friends – Anurag, Sahil, Vipin, Rohit, Mayank, Dheeraj, Jalaj, Puneet, Deepak and Prateek have birthdays in different months – January, February, April, May and June but not necessarily in the same order. There birthdays in on 2 different dates – 12 and 23. So in each month there are 2 birthdays. 

Vipin’s birthday is on 12th May. Two people have birthdays between Vipin and Mayank. Rohit’s birthday is on 12th of a month having less than 31 days. There is one birthday between the birthdays of Mayank and Deepak. Prateek and Puneet have birthdays in same month but not in April. There is one birthday between the birthdays of Dheeraj and Puneet. Dheeraj’s birthday is before Puneet’s. Sahil’s birthday is in January. Birthdays of Dheeraj and Sahil is not in same month. Jalaj and Anurag have birthdays on same date. Jalaj’s birthday is before Anurag’s. Also their birthday is not in consecutive months.

  1. Jalaj’s birthday is on ?
    A) 12 May
    B) 23 February
    C) 12 January
    D) 23 May
    E) None of these
    View Answer
      Option C
    Arrangement:
  2. Who has birthday in April?
    A) Sahil
    B) Prateek
    C) Puneet
    D) Anurag
    E) Dheeraj
    View Answer
      Option D
  3. How many birthdays are there in between the birthdays of Dheeraj and Mayank?
    A) Four
    B) Two
    C) Three
    D) One
    E) Six
    View Answer
      Option C

  4. Which of the following combination of Month-Person-Date is correct as per the given arrangement?
    A) June – Prateek – 23
    B) April – Deepak – 12
    C) February – Rohit – 12
    D) May – Vipin – 23
    E) January – Sahil – 12
    View Answer
      Option C
  5. Which of the following pair has birthday on 23rd of a month?
    A) Sahil, Prateek 
    B) Jalaj, Anurag
    C) Rohit, Mayank
    D) Sahil, Deepak
    E) Mayank, Vipin
    View Answer
      Option D

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54 thoughts on “Reasoning: Puzzles and Arrangements for RRB Prelims Set 50”

  1. Ittu Si Barbie (｡♥‿♥｡)

    Upar 2nd puzzle me question me MARCH mention hai

    there in answer it’s Feb 🙁

    isliye 5 baar me b ne bana 😀

      1. %%%

        in 1st puzzle
        There is one floor between the floors of one who earns Rs 23,000 and Rs 53,000.
        53000 is possible for both —–kirti & Pooja….than how we assume this amt for Pooja ??

  8. Sumi

    Hi mam,
    2nd puzzle solution there is an error,
    “Two people have birthdays between Vipin and Mayank” so pls correct the solution as in Feb – deepak and april- mayank

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