Odd Man Out Practice Question and Answer

Q: 3125  256  ?  4  1 Which number replaces the "?" in the question? 289 0

  • 1
    27
    Correct
    Incorrect
  • 2
    128
    Correct
    Incorrect
  • 3
    32
    Correct
    Incorrect
  • 4
    64
    Correct
    Incorrect
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Answer : 1. "27"
Explanation :

Answer: A) 27 Explanation: In the given series numbers are arranged following the rule, 55,44, 33, 22, 11  Therefore, the missing number is 27.

Q: Find the odd one out ? Hawk ,  Parrot ,  Owl ,  Eagle 344 0

  • 1
    Eagle
    Correct
    Incorrect
  • 2
    Owl
    Correct
    Incorrect
  • 3
    Parrot
    Correct
    Incorrect
  • 4
    Hawk
    Correct
    Incorrect
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Answer : 3. "Parrot"
Explanation :

Answer: C) Parrot Explanation: All except Parrot are birds of prey.

Q: Find out the wrong term in the given series of numbers ?6, 15, 35, 77, 165, 221 251 0

  • 1
    35
    Correct
    Incorrect
  • 2
    165
    Correct
    Incorrect
  • 3
    221
    Correct
    Incorrect
  • 4
    77
    Correct
    Incorrect
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Answer : 2. "165"
Explanation :

Answer: B) 165 Explanation: The given series follow the rule that : Multiplying consecutive prime numbers2,3,5,7,11,13,17,19....2x3 = 63x5 = 155x7 = 357x11 = 7711x13 = 14313x17 = 221So, the wrong term is 165.

Q: Find out the wrong number in the following series ? 2880, 480, 92, 24, 8, 4, 4 240 0

  • 1
    480
    Correct
    Incorrect
  • 2
    92
    Correct
    Incorrect
  • 3
    24
    Correct
    Incorrect
  • 4
    4
    Correct
    Incorrect
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Answer : 2. "92"
Explanation :

Answer: B) 92 Explanation: The given series of numbers follow the rule that, 2880/6 = 480480/5   = 9696/4     = 2424/3     = 88/2       = 44/1       = 4 But 92 is not in the rule. It is the wrong number in the given series.

Q: A man saves Rs. 200 in each of the first three months of his service. In each of the subsequent months his saving increases by Rs. 40 more than the saving of immediately previous month. His total saving from the start of service will be Rs. 11040 after ? 306 0

  • 1
    19 months
    Correct
    Incorrect
  • 2
    21 months
    Correct
    Incorrect
  • 3
    18 months
    Correct
    Incorrect
  • 4
    20 months
    Correct
    Incorrect
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Answer : 2. "21 months"
Explanation :

Answer: B) 21 months Explanation: Total savings = 200 + 200 + 200 + 240 + 280 + ... to n months = 11040 = 120 + 80 + 160 + 40 + 200 + 240 + ....n terms= 40 + 80 + 120 + 160 + 200 + 240 + ...n terms= n/2[2a + (n-1)d] + 80 + 40 = 11040= n/2[240 + (n-1)40] = 10920= n[6+n-1] = 546= n[n+5] = 546n = 21

Q: Find the next number in the given series ? 3, 7, 6, 5, 9, 3, 12, 1, 15, . . . 263 0

  • 1
    2
    Correct
    Incorrect
  • 2
    0
    Correct
    Incorrect
  • 3
    1
    Correct
    Incorrect
  • 4
    -1
    Correct
    Incorrect
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Answer : 4. "-1"
Explanation :

Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series 1) 3, 6, 9, 12, 15..... 2) 7, 5, 3, 1, ..... -1 is the next number.

Q: Find the next number in te given series ? 5, 25, 61, 113, ... 748 0

  • 1
    142
    Correct
    Incorrect
  • 2
    181
    Correct
    Incorrect
  • 3
    156
    Correct
    Incorrect
  • 4
    179
    Correct
    Incorrect
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Answer : 2. "181"
Explanation :

Answer: B) 181 Explanation: Here the series follow the rule that 12+22 = 5 32+42 = 2552+62 = 61 72+82 = 113   SO NEXT IS, 92+102 = 181

Q: Find out the wrong number in the following series: 5, 15, 30, 80, 180, 540, 1080 302 0

  • 1
    540
    Correct
    Incorrect
  • 2
    180
    Correct
    Incorrect
  • 3
    30
    Correct
    Incorrect
  • 4
    80
    Correct
    Incorrect
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Answer : 4. "80"
Explanation :

Answer: D) 80 Explanation: There should be 90 instead of 80so we can have a series5, 5x3, 15x2, 30x3, 90x2, 180x3, 540x2 and 1080x3 and so on...

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