IBPS Clerk Prelims: Reasoning Day 19

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Stratus – IBPS Clerk Course 2015 

Stratus - IBPS Clerk - Daily Test - Reasoning
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Directions (1 – 5):
(A) only 1st follows
(B) only 2nd follows
(C) either 1st or 2nd
(D) neither 1st nor 2nd
(E) both 1st and 2nd

  1. Statements: No post is a mail. All mails are letters. Some posts are offices.
    Conclusions:
    I. All posts are letters is a possibility.
    II. No letter is a post.
    Answer & Explanation
    (A) only 1st follows
    Explanation:
    For I – 19-1-daily
    II is not definite.
  2. Statements: All numbers are digits. Some digits are letters. All letters are alphabets.
    Conclusions:
    I. No number is a letter
    II. Some alphabets are digits
    Answer & Explanation
    (B) only 2nd follows
    Explanation:

    I is not definite
  3. Statements: Some cells are tissues. All tissues are bones. No bone is a ligament.
    Conclusions:
    I. Some ligaments are not tissues.
    II. Some bones are cells
    Answer & Explanation
    (E) both 1st and 2nd
    Explanation:

    All ligaments are tissues is not a possibility so I follows.
  4. Statements: Some schools are colleges. No school is a nursery. All nurseries are playgrounds.
    Conclusions:
    I. Some colleges are playgrounds
    II. Some schools are not playgrounds
    Answer & Explanation
    (D) neither 1st nor 2nd
    Explanation:

    I is not definite.
    All schools are playgrounds is a possibility, so II does not follow.
  5. Statements: All metals are plastics. All plastics are cloth. All cloth are threads.
    Conclusions:
    I. All metals are threads
    II. No thread is cloth
    Answer & Explanation
    (A) only 1st follows
    Explanation:

    I follows from all the three statement.
    II is incorrect

Directions (Q.6 – 10): Study the following information to answer the given questions:

  1. In which of the following expressions will the expression ‘H < J’ definitely true?
    A) G < H ≥ I = J
    B) H > G ≥ I = J
    C) J = I ≥ G > H
    D) H ≥ G > I < J
    E) None of these
    Answer & Explanation
    C) J = I ≥ G > H
    Explanation:

    In A) – H ≥ J.
    In B) – H > J
    In D) No relation between H and J
  2. Which of the following expressions will be true if the expression ‘K ≥ L > M ≥ N’ is definitely true?
    A) N ≤ K
    B) K = M
    C) K < N
    D) L ≥ N
    E) None of these
    Answer & Explanation
    E) None of these
    Explanation:

    N < K, K > M, K > N, L > N
  3. Which of the following expressions will be true if the expression ‘M ≥ K < T = Q’ is definitely true?
    A) Q < K
    B) M ≥ T
    C) M < Q
    D) T = M
    E) None of these
    Answer & Explanation
    E) None of these
    Explanation:

    Q > K, no relation between M and T, no relation between M and Q, no relation between M and T
  4. Which of the following expressions may not be true if the expression ‘Z ≥ Y = W ≤ X’ is definitely true?
    A) W ≤ Z
    B) X ≥ Z
    C) Y ≤ X
    D) only B and C
    E) All are true
    Answer & Explanation
    B) X ≥ Z
    Explanation:

    Z ≥ Y = W , so Z ≥ W, so A is true
    Y = W ≤ X, so Y ≤ X, so C is true
  5. In which of the following expressions does the expression ‘A > D’ hold true?
    A) A = B < C < D
    B) D ≥ B > C > A
    C) B = D > C ≥ A
    D) A ≥ C > B = D
    E) D ≤ B > A > C
    Answer & Explanation
    D) A ≥ C > B = D
    Explanation:

    In options A, B, C – A < D, in option E, nor relation between A and D