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Free Logical Reasoning questions with answers for MBA CET

Seating arrangements, puzzles, syllogisms, blood relations, direction sense, coding-decoding and critical reasoning - the question types that appear in MAH-CET, CAT, MAT and ATMA. These 142 questions are also useful for CAT, MAT and ATMA. Tap “Show answer” under any question for the correct option and the explanation.

  1. Question 141

    Find the missing number in the following series. 6, 17, 38, 73, 126, ?
    • (A)198
    • (B)201
    • (C)205
    • (D)209
    • (E)211
    Show answer and explanation

    Correct answer: (B) 201

    Differences between consecutive terms: 17 – 6 = 11, 38 – 17 = 21, 73 – 38 = 35, 126 – 73 = 53. Second differences: 21 – 11 = 10, 35 – 21 = 14, 53 – 35 = 18. These increase by 4 each time. The next second difference is 22, so the next difference is 53 + 22 = 75. Missing number = 126 + 75 = 201.

  2. Question 142

    Five start-ups K, L, M, N and O are being evaluated for an incubation programme. Exactly three start-ups must be selected. The following conditions apply: 1. If K is selected, L cannot be selected. 2. M can be selected only if N is selected. 3. Exactly one of L and O must be selected. 4. N and O cannot both be selected. Which of the following combinations can be selected without violating any condition?
    • (A)K, M, N
    • (B)L, M, N
    • (C)K, L, N
    • (D)M, N, O
    • (E)K, N, O
    Show answer and explanation

    Correct answer: (B) L, M, N

    Check each option against the four conditions. (A) K, M, N: neither L nor O is selected, which breaks condition 3 (exactly one of L and O). (B) L, M, N: K is not selected, so condition 1 holds. M is selected along with N (condition 2). Exactly one of L and O is selected - L only (condition 3). N is selected without O (condition 4). All conditions hold. (C) K, L, N: K and L are both selected, which breaks condition 1. (D) M, N, O: N and O are both selected, which breaks condition 4. (E) K, N, O: N and O are both selected, which breaks condition 4. Only (B) works.

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