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Logical Reasoning Test - 9
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Logical Reasoning Test - 9
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  • Question 1/10
    1 / -0.33

    Directions For Questions

    Directions: Solve the question alongside based on the information given below.

    In the recently concluded World Series Chess tournament, players P1, P2, P3, P4, P5, P6, P7, and P8 participated. Each player played against every other player exactly once. Five players out of these eight players won exactly five matches each. Assume that only these eight players were participating in the tournament. Also, there were no draws/ ties in the tournament.

    Some information about the results of some of the matches played was also known.

    It was known that P2, P3, P4 and P5 won their matches against P7.

    P1 won against P6 while P7 lost against P6.

    P7 won against P8 while P1 lost against P3 and P4.

    ...view full instructions

    If P8 won against P2, while P6 won against P3, then which are the two players against which P5 lost matches?

    Solutions

    Given that P8 won his match against P2, and P3 lost his match against P6, then this means that P2, P7 and P8 are the three players who have not won exactly five matches. Each of P2, P7 and P8 have won one match each. The five players that have won exactly five matches each are P1, P3, P4, P5 and P6. Each of these five players have won their match against P2, P7 and P8. Also, P1 lost their match against P3 and P4 and P6 lost their match against P1 and P3. Therefore, the pairs of players against whom P5, P3 and P4 lost their matches are (P1 and P6), (P5 and P4) and (P6 and P5) respectively.

    Hence, the correct option is (d).

  • Question 2/10
    1 / -0.33

    Directions For Questions

    Directions: Solve the question alongside based on the information given below.

    In the recently concluded World Series Chess tournament, players P1, P2, P3, P4, P5, P6, P7, and P8 participated. Each player played against every other player exactly once. Five players out of these eight players won exactly five matches each. Assume that only these eight players were participating in the tournament. Also, there were no draws/ ties in the tournament.

    Some information about the results of some of the matches played was also known.

    It was known that P2, P3, P4 and P5 won their matches against P7.

    P1 won against P6 while P7 lost against P6.

    P7 won against P8 while P1 lost against P3 and P4.

    ...view full instructions

    How many players won exactly one match?

    Solutions

    There are 28 wins and 28 losses in the tournament.Totalnumber of wins by the players who won exactly five matches each is 5 × 5 = 25.

    So, the total number of wins by the players that did not win exactly five matches is 3.

    So, the possibilities that exist for the players that did not win exactly five matches are as follows:

    Case 1: Three players won exactly one match each.

    Case 2: One player won exactly two matches, one player won exactly one match and one player won none of the matches.

    Hence, the correct option is (d).

  • Question 3/10
    1 / -0.33

    How many such pairs of letters are there in the word century each of which has as many letters between them in the word as there are in the English alphabet?

    Solutions

    Thus, 2pairs of letterare present in theword CENTURY each of which has as many letters between them in the word as there are in the English alphabet.

    Hence, the correct option is (b).

  • Question 4/10
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    I am facing south. I turn right and walk 20 m. Then I again turn right again and walk 10 m. Then I turn left and walk 10 m and then turning right, walk 20 m. Then I again, turn right and walk 60 m. In which direction am I from the starting point?
    Solutions

    The movements of the person are from A to F, as shown in fig. Clearly, the final position is F which is to the north east of the starting point A.
    Hence, the correct option is (b).
  • Question 5/10
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    Directions: Based on the information given below, answer the question that follows.

    Foodie Restaurant is planning to open a new branch in the city where 2 cooks and 3 waiters are required. There are three cooks Amit, Sumit, Punit and five waiters Damini, Rajni, Shalini, Ragini, and Sohini to choose from.

    Some other known facts are:

    1) Damini and Ragini have not been on speaking terms and shouldn't be teamed together.

    2) Damini and Shalini have been competing for promotion and shouldn't be in the same team.

    3) Amit and Punit are constantly finding faults with each other and should not be sent together to the new branch as a team.

    4) Punit and Rajni function well alone but not as a team and shouldn’t be made to work together.

    If Amit is to be moved as one of the cooks, which of the following cannot be a possible working unit?

    Solutions

    Damini and Ragini cannot be together according to rule number 1.

    Hence, the correct option is (a).

  • Question 6/10
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    Directions: The given passage is followed by several inferences which can be drawn from the facts stated in the passage. You have to examine each inference separately in the context of the passage and decide upon its degree of truth or falsity.

    Wind is an inexhaustible source of energy and an aero generator can convert it into electricity. Though not much has been done in this field, the survey shows that there is vast potential for developing wind as an alternative source of energy.

    Inferences:

    I. Generation of wind energy for electricity is a rather neglected area.

    II. The energy crisis can be dealt by exploring more in the field of aero generation.

    Solutions

    The assertion: "Though not much has been done in this field" leads us to inference I. But 'vast potential' does not necessarily mean that this can solve the energy crisis. So, only inference I follows.

    Hence, the correct option is (a).

  • Question 7/10
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    Directions For Questions

    Direction: These questions are based on the information given below:

    You are provided with symbols (Ф, ∞, %, @, Э) having specific meanings, which are mentioned below:

    C Ф D means C is not greater than D.

    C @ D means C is neither greater than nor equal to D.

    C ∞ D means C is not smaller than D.

    C % D means C is neither smaller than nor greater to D.

    C Э D means C is neither smaller than nor equal to D.

    You have to find out the definitely true conclusion from the three given conclusions by assuming the given statement as true

    ...view full instructions

    Statements:

    E ∞ F, F Э G, G Ф H

    Conclusions:

    I. H Э F

    II. G @ E

    III. G Э E

    Solutions
    \(E \omega F \Rightarrow E \geq F\)
    \(F \in G \Rightarrow F>G\)
    \(G \theta H \Rightarrow G S H\)
    Combined statement: \(\mathrm{E} \geq \mathrm{F}>\mathrm{G} \leq \mathrm{H}\)
    Conclusion:
    1. \(H \in F=H>F\) not true
    2. G @ E=G
    3. G \(\in E=G>E\) not true
    Therefore, only conclusion II is true
    Hence, the correct option is (b).
  • Question 8/10
    1 / -0.33

    Directions For Questions

    Direction: These questions are based on the information given below:

    You are provided with symbols (Ф, ∞, %, @, Э) having specific meanings, which are mentioned below:

    C Ф D means C is not greater than D.

    C @ D means C is neither greater than nor equal to D.

    C ∞ D means C is not smaller than D.

    C % D means C is neither smaller than nor greater to D.

    C Э D means C is neither smaller than nor equal to D.

    You have to find out the definitely true conclusion from the three given conclusions by assuming the given statement as true

    ...view full instructions

    Statements:

    K ∞ L, L Э M, M % N

    Conclusions:

    I. N @ L

    II. M @ K

    III. K Э N

    Solutions

  • Question 9/10
    1 / -0.33

    Jenny walks 20 kilometres towards North. She turns left and walks 40 kilometres. She again turns left and walks 20 kilometres. Finally, she moves 20 kilometres after turning to the left. How far is she from her original position?

    Solutions

    According to the given information, the diagram will be as follows:

    Therefore, required distance \(=40 \mathrm{km}-20 \mathrm{km}=20 \mathrm{km}\)
    Hence, the correct option is (d).
  • Question 10/10
    1 / -0.33

    Abhishek, Vijay, Chandu, Daya, Eenoo, Farhan, Ganesh, Hemant and Kailash are sitting around a circular table facing the centre. Chandu is second to the left of Ganesh, who is fourth to the right of Vijay. Chandu is fourth to the left of Farhan and Farhan is second to the left of Kailash. Kailash is fourth to the left of Abhishek. Daya is not an immediate neighbuor of Kailash and Vijay. Hemant is third to the right of Eenoo.

    Who is fourth to the right of Daya?

    Solutions

    Vijay is fourth to the right of Daya.

    Hence, the correct option is (d).

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