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Logical Reasoning :: Symbols and Notations

  1. A $ B means A is neither greater than nor equal to B.
    A © B means A is neither lesser than nor equal to B.
    A @ B means A is not greater than B.
    A * B means A is not lesser than B.
    A # B means A is neither greater than nor lesser than B.

    Statements:       C * D, D @ F, F © G, G $ H
    Conclusions:      I. C © F
                               II. H © F
                              III. G $ D
                              IV. D $ H
  2. A.
    Only 1 follows
    B.
    Only II follows
    C.
    Only III follows
    D.
    Only IV follows
    E.
    None follows

  3. Which of the following expression is valid for the given expression 'E < B' and 'A > D' to definitely follow?
  4. A.
    A < B ≥ C ≥ D > E
    B.
    A > B ≥ C ≥ D > E
    C.
    A > B ≤ C ≥ D > E
    D.
    A ≥ B ≥ C ≥ D > E
    E.
    None of these.

  5. M 4 C @ F 7 1 $ A E N 9 H > 5 ↓ K ʘ 3 ? B J # G 8 D 6 I L 2

    Find the next element in the following series.
    M, @, A, ↓, __
  6. A.
    G
    B.
    N
    C.
    #
    D.
    9
    E.
    8

  7. R K 5 9 # B 2 % * E ? A 8 L $ I 4 S V 7 ! C 6 N @ H 1 3 & D

    Four of the following are alike. Find the Odd one.
  8. A.
    RKB
    B.
    ALI
    C.
    SVC
    D.
    NHD
    E.
    BLI

  9. A $ B means A is neither greater than nor equal to B.
    A © B means A is neither lesser than nor equal to B.
    A @ B means A is not greater than B.
    A * B means A is not lesser than B.
    A # B means A is neither greater than nor lesser than B.

    Statements:         M $ K, K @ P, P # Q, Q * R
    Conclusions:        I. M $ P
                                 II. K # Q
                                III. K $ Q
                                IV. P © R
  10. A.
    Only I follows
    B.
    Only II and III follow
    C.
    Only III and IV follow
    D.
    Only I and either II or III follow
    E.
    None follows

  11. Which of the following expressions is valid if the given expressions 'Q > M' and 'R > N' to definitely follow?
  12. A.
    M ≤ N < P ≤ Q < R
    B.
    M ≤ N ≤ P ≤ Q < R
    C.
    M ≤ N = P ≤ Q < R
    D.
    M ≥ N = P ≥ Q > R
    E.
    None of these.

  13. M 4 C @ F 7 1 $ A E N 9 H > 5 ↓ K ʘ 3 ? B J # G 8 D 6 I L 2

    Find the next term in the following series.
    4 @ 7, $ E 9, > ↓ ʘ, __
  14. A.
    3 B #
    B.
    ? J G
    C.
    3 ? B
    D.
    J G D
    E.
    ? D B

  15. A $ B means A is neither greater than nor equal to B.
    A © B means A is neither lesser than nor equal to B.
    A @ B means A is not greater than B.
    A * B means A is not lesser than B.
    A # B means A is neither greater than nor lesser than B.

    Statements:         G $ I, I * K, K # M, M $ O
    Conclusions:        I. I * M
                                 II. K $ O
                                 III. G © K
                                 IV. I @ M
  16. A.
    Only I and II follow.
    B.
    Only II and III follow.
    C.
    Only III and IV follow.
    D.
    Only I, II and III follow.
    E.
    All follow.

  17. Which of the following expression is valid if the given expression 'P < Q' and 'S > R' to definitely follow?
  18. A.
    T > R ≤ P ≤ S ≤ Q
    B.
    T > R < P ≥ S ≤ Q
    C.
    T > R < P ≤ S ≥ Q
    D.
    T > R ≤ P < S < Q
    E.
    None of these.

  19. M 4 C @ F 7 1 $ A E N 9 H > 5 ↓ K ʘ 3 ? B J # G 8 D 6 I L 2

    How many such symbols are there in the above sequence of elements which are immediately proceeded by an alphabet and immediately following by a digit?
  20. A.
    Zero
    B.
    One
    C.
    Two
    D.
    Three
    E.
    More than three