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Logical Reasoning Test 19
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Logical Reasoning Test 19
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  • Question 1/10
    2.5 / -0.83

    A team of five persons is to be selected from amongst five girls A, B, C, D and E and four boys P, Q, R and S. Some criteria for selection are: E and P have to be together. S and Q cannot be together. B and S cannot be together. C and A have to be together. Q and D cannot be together. If Q is one of the selected members, then who can be the other members of the team?
    Solutions

    Given:

    A team of five persons is to be selected from amongst:

    Five girls: A, B, C, D, and E.

    Four boys: P, Q, R, and S.

    Q is already a selected member.

    1. S and Q cannot be together

    ⇒ As Q is already selected, S cannot be there in the team.

    Therefore, 

    Option 1: P, S, C, A → Cannot form a team.

    Option 2: R, S, C, A → Cannot form a team.

    Option 3: S, R, D, C → Cannot form a team.

    2. E and P have to be together.

    3. B and S cannot be together.

    ⇒ As E and P have to be together and B and S cannot be together.

    Therefore,

    Option 4E, P, B, R → Can form a possible team.

    Therefore, after Q, the other 4 selected team members are EP, BR

    Hence, the correct answer is "EP, BR".

  • Question 2/10
    2.5 / -0.83

    Namita and Samita are brilliant and studious. Anita and Karabi are obedient and irregular. Babita and Namita are irregular but brilliant. Samita and Kabita are regular and obedient. Who among them is/are brilliant, obedient, regular and studious ?
    Solutions

    Brilliant

    Studious

    obedient

    irregular

    Regular

    Namita

    Sumita

    Anita

    Anita

    Sumita

    Sumita

    Namita

    Kaberi

    Kaberi

    Kabita

    Babita

     

    Sumita

    Babita

     

     

     

    Kabita

    Namita

     

     

    Here, we can see Sumita is common in  brilliant, obedient, regular and studious 

    Hence, Sumita is correct answer.

  • Question 3/10
    2.5 / -0.83

    If Δ = +, □ = -, ∘ = × and ∇ = ÷, then find the value of 36 □ 12 ∘ 2 Δ 18 ∇ 9 .
    Solutions

    Logic: We have to replace the symbols as per the given operators then apply the "BODMAS" rule to solve the equation.

    SymbolOperator
    Δ+
    -
    ×
    ÷

    Now, the equation will becomes:

    ⇒ 36 - 12 × 2 + 18 ÷ 9.

    ⇒ 36 - 12 × 2 + 2.

    ⇒ 36 - 24 + 2.

    ⇒ 38 - 24.

    ⇒ 14.

    Hence, the correct answer is "14".

  • Question 4/10
    2.5 / -0.83

    Directions For Questions

    Directions: Answer the questions based on the information given below.

    A, B, C, D, E, and F are a group of friends from a club. There are two not working, one lecturer, one architect, one accountant and one lawyer in the group. There are two married couples in the group. The lawyer is married to D who is a housewife. No lady in the group is either an architect or an accountant. C, the accountant, is married to F who is a lecturer. A is married to D. B is not working and either E or B is a female.

    ...view full instructions


    How many members of the group are male?
    Solutions

    People: A, B, C, D, E and F

    Married Couples = 2

    Professions: Not working (2), Lecturer (1), Architect (1), Accountant (1), Lawyer (1) No lady in the group is either an architect or an accountant. ⇒ The women in the group are either not working or Lecturer or Lawyer.

    1. The lawyer is married to D, D is a housewife ⇒ The lawyer is a male and D is not working.

    C, the accountant, is married to F who is a lecturer. Therefore, C is a male as he is an Accountant and F is a female

    Person

    Spouse

    Profession

    Gender

    Condition

    A

     

     

     

    D’s spouse-Lawyer – Male

     

    2 married couples

     

    B

     

     

     

    C

    F

    Accountant

    Male

    D

     

    Housewife (Not Working)

    Female

    E

     

     

     

    F

    C

    Lecturer

    Female

     

    2. A is married to D.

    B is not working and either E or B is a female ⇒ E is an architect, hence male. B is female.

    Person

    Spouse

    Profession

    Gender

    Condition

    A

    D

    Lawyer

    Male

    D’s spouse-Lawyer – Male

     

    2 married couples

    B

    NA

    Not working

    Female

    C

    F

    Accountant

    Male

    D

    A

    Housewife

    Female

    E

    NA

    Architect

    Male

    F

    C

    Lecturer

    Female

    Clearly, there are 3 males.
  • Question 5/10
    2.5 / -0.83

    Directions For Questions

    Directions: Answer the questions based on the information given below.

    A, B, C, D, E, and F are a group of friends from a club. There are two not working, one lecturer, one architect, one accountant and one lawyer in the group. There are two married couples in the group. The lawyer is married to D who is a housewife. No lady in the group is either an architect or an accountant. C, the accountant, is married to F who is a lecturer. A is married to D. B is not working and either E or B is a female.

    ...view full instructions


    What is the profession of E?
    Solutions

    People: A, B, C, D, E and F

    Married Couples = 2

    Professions: Not working (2), Lecturer (1), Architect (1), Accountant (1), Lawyer (1) No lady in the group is either an architect or an accountant. ⇒ The women in the group are either not working or Lecturer or Lawyer.

    1. The lawyer is married to D, D is a housewife ⇒ the lawyer is a male and D is not working.

    C, the accountant, is married to F who is a lecturer. Therefore, C is a male as he is an Accountant and F is a female.

    Person

    Spouse

    Profession

    Gender

    Condition

    A

     

     

     

    D’s spouse-Lawyer – Male

     

    2 married couples

     

    B

     

     

     

    C

    F

    Accountant

    Male

    D

     

    Housewife (Not Working)

    Female

    E

     

     

     

    F

    C

    Lecturer

    Female

     

    2. A is married to D.

    B is not working and either E or B is a female ⇒ E is an architect, hence male. B is female.

    Person

    Spouse

    Profession

    Gender

    Condition

    A

    D

    Lawyer

    Male

    D’s spouse-Lawyer – Male

     

    2 married couples

    B

    NA

    Not working

    Female

    C

    F

    Accountant

    Male

    D

    A

    Housewife

    Female

    E

    NA

    Architect

    Male

    F

    C

    Lecturer

    Female

     

    Clearly, E is the architect.

  • Question 6/10
    2.5 / -0.83

    Wolves move in packs. What is the smallest number of wolves that could move in the following formation: 2 Wolves in front of a Wolf, 2 behind a Wolf and 1 Wolf in between 2 Wolves?
    Solutions

    (1) 2 Wolves in front of a Wolf.

    (2) 2 behind a Wolf.

    (3) 1 Wolf in between 2 Wolves.

    So, there can be minimum 3 Wolves.

    Hence, 3 is the correct answer.

  • Question 7/10
    2.5 / -0.83

    A group of seven students A, B, C, D, E, F and G are going to form two teams. Each team can have a maximum of four members. A and B cannot be in the same team. C cannot be with E. D and G have to be together. F and D cannot be together. E and D have to be together. A has to be with F. Which of the following is one of the two teams formed according to the given data?
    Solutions

    1) D and G have to be together.

    2) E and D have to be together.

    Implies, E, D, and G are in the same team.

    3) C cannot be with E.

    Implies, C is not in the same team as E, D, and G.

    4) F and D cannot be together.

    Implies, F is not in the same team as E, D, and G

    Team 1 - E, D, and G

    Team 2 - C and F

    5) A and B cannot be in the same team.

    Implies, either A or B is in team 1.

    Possibilities for team 1: AEDG or BEDG.

    6) A has to be with F.

    Therefore, AEDG can be eliminated.

    Hence, EDGB can be formed using the given data.

  • Question 8/10
    2.5 / -0.83

    In the sum

    1@ + @43 + 2@@ + 9@0 + @2 = 181@

    for which digit does the symbol @ stand?

    Solutions

    1) 18 + 843 + 288 + 980 + 82 = 1818

    LHS = 18 + 843 + 288 + 980 + 82 = 2211 ≠ RHS

    2) 14 + 443 + 244 + 940 + 42 = 1814

    LHS =  14 + 443 + 244 + 940 + 42 = 1683 ≠ RHS 

    3) 15 + 543 + 255 + 950 + 52 = 1815

    LHS = 15 + 543 + 255 + 950 + 52 = 1815 = RHS

    4) 16 + 643 + 266 + 960 + 62 = 1816

    LHS = 16 + 643 + 266 + 960 + 62 = 1947 ≠ RHS 

    Hence, option 3 is the correct answer 

  • Question 9/10
    2.5 / -0.83

    85 apples are to be distributed in a class consisting of boys and girls. If each boy gets 5 apples, then each girl will get 7 apples, and if each boy gets 4 apples, then each girl will get 9 apples. How many students are there in the class?
    Solutions

    Let the number of boys be ‘x’ and number of girls be ‘y’.

    So, total number of students in the class = x + y

    If each boy gets 5 apples, then each girl will get 7 apples.

    According to question:

    5x + 7y = 85 ______ (i)

    And, if each boy gets 4 apples, then each girl will get 9 apples.

    4x + 9y = 85 ______ (ii)

    Equating equation (i) and (ii), we get:

    5x + 7y = 4x + 9y

    ⇒ 5x – 4x = 9y – 7y

    ⇒ x = 2y

    Putting the value of ‘x’ in equation (i), we get:

    5(2y) + 7y = 85

    ⇒ 10y + 7y = 85

    ⇒ 17y = 85

    ⇒ y = 85 ÷ 17

    ⇒ y = 5

    As x = 2y and y = 5

    The value of x = 2 × 5 = 10

    Therefore, total number of students in the class = x + y = 10 + 5 = 15

    Hence, ‘15’ is the correct answer.

  • Question 10/10
    2.5 / -0.83

    Six persons - Seema, Vaibhav, Ajay, Manisha, Tulika and Ananya - were born in six different states, namely Assam, Gujarat, Madhya Pradesh, Punjab, Bihar and Rajasthan, but not necessarily in the same order. They all play six different games, namely Chess, Football, Hockey, Ludo, Badminton and Cricket, but not necessarily in the same order. Ananya was born in Gujarat and she plays Cricket. Ajay does not play Chess or Ludo. The person who was born in Bihar plays Football. Seema plays Hockey and she was not born in Assam or Madhya Pradesh. Manisha was born in Rajasthan and she plays badminton.

    Identify the state in which Ajay was born?

    Solutions

    Six persons - Seema, Vaibhav, Ajay, Manisha, Tulika and Ananya.

    States - Assam, Gujarat, Madhya Pradesh, Punjab, Bihar and Rajasthan.

    Games - Chess, Football, Hockey, Ludo, Badminton and Cricket.

    (1) Ananya was born in Gujarat and she plays Cricket.

    (2) The person who was born in Bihar plays Football.

    (3) Seema plays Hockey and she was not born in Assam or Madhya Pradesh. Therefore she was born in Punjab, 

    (4) Manisha was born in Rajasthan and she plays badminton.

    PersonStateGame
    AnanyaGujaratCricket
     BiharFootball
    SeemaPunjabHockey
    ManishaRajasthanBadminton
      Ludo
      Chess

     

    (5) Ajay does not play Chess or Ludo. Therefore, he plays football.

    PersonStateGame
    AnanyaGujaratCricket
    AjayBiharFootball
    SeemaPunjabHockey
    ManishaRajasthanBadminton
    Tulika / VaibhavAssam/Madhya PradeshLudo
    Tulika / VaibhavAssam/Madhya PradeshChess

     

    Hence, Ajay was born in Bihar.

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