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Number Series Test - 9

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Number Series Test - 9
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  • Question 1
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    2, 4, 8, 14, 22, ?
    Solution
    The sequence is +2, +4, +6, +8, +10.
    2 + 2 = 4
    4 + 4 = 8
    8 + 6 = 14
    14 + 8 = 22
    22 + 10 = 32
    The missing term is 22 + 10 = 32.
  • Question 2
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    3, 5, 8, 12, 17, 23, ?
    Solution
    The sequence is +2, +3, +4, +5, +6, +7. The missing number is 23 + 7 = 30.
  • Question 3
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    5, 8, 14, 26, 50, ?
    Solution
    The sequence is +3, +6, +12, +24, +48. The missing number is 50 + 48 = 98.
  • Question 4
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    7, 11, 13, 17, 19, 23, 25, ?
    Solution
    The pattern is +4, +2, +4, +2, +4, +2 and so on. So, 29 is the correct answer.
  • Question 5
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    3, 13, 31, 57, 91, ?
    Solution
    The given series is: n2 - (n - 1), where n is even.
    22 - 1 = 3
    42 - 3 = 13
    62 - 5 = 31
    82 - 7 = 57
    102 - 9 = 91
    122 - 11 = 133
  • Question 6
    1 / -0
    Directions: Complete the following series.

    4, 6, 9, 14, 21, 32, __
    Solution
    The pattern is + 2, + 3, + 5, + 7, + 11, + 13 (prime numbers). The missing number is 32 + 13 = 45.
  • Question 7
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    3, 6, 18, 72, 360, ____
    Solution
    The sequence is 2, 3, 4, 5, 6. The missing number is 360 6 = 2160.
  • Question 8
    1 / -0
    Directions: Complete the series.

    12, 25, 53, 111, 229, ?
    Solution
    The given series follows the following pattern.
    12 x 2 + 1 = 25
    25 x 2 + 3 = 53
    53 x 2 + 5 = 111
    111 x 2 + 7 = 229
    229 x 2 + 9 = 467
    The missing number = (229 x 2) + 9 = 467
  • Question 9
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    1, 1, 3, 9, 5, 25, 7, 49, __, 81
    Solution
    The sequence is as follows: 1, 12; 3, 32; 5, 52; 7, 72; 9, 92
  • Question 10
    1 / -0
    Directions: In the following number series, one term is missing. Choose the correct alternative that will continue the same pattern in the given series.

    54, 9, 42, 12, 61, 35, 53, ___
    Solution
    The sequence is:
    52 – 42 = 9
    42 – 22 = 12
    62 – 12 = 35
    52 – 32 = 16
  • Question 11
    1 / -0
    Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

    4, 6, 8, 9, 10, _____
    Solution
    The series is a sequence of composite numbers. The next composite number is 12.
  • Question 12
    1 / -0
    Directions: In the following question, a number series is given with one term missing. Choose the correct alternative from the given ones that will continue the same pattern in the given series.

    1, 3, 15, 105, 945, ___
    Solution
    The pattern is: 3, 5, 7, 9, 11.
    The missing term is 945 11 = 10395.
  • Question 13
    1 / -0
    Directions: Complete the series.

    11, 28, 327, 464, 5125, ?
    Solution
    The sequence is: 113, 223, 333, 443, 553, 663, ___
  • Question 14
    1 / -0
    Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

    17, 21, 29, 45, 77, ___
    Solution
    The sequence of the series is: + 4, + 8, + 16, + 32, + 64.
    The missing number is 77 + 64 = 141.
  • Question 15
    1 / -0
    Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

    1, 4, 27, 16, 125, 36, ?
    Solution
    The sequence is 13, 22, 33, 42, 53, 62 and 73.
  • Question 16
    1 / -0
    Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the given series in the same pattern.

    13, 27, 53, 107, 213, _____
    Solution
  • Question 17
    1 / -0
    Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the given series in the same pattern.

    11, 48, 927, 1664, 25125, _____
    Solution
    The sequence is:
    1213 = 11
    2223 = 48
    3233 = 927
     4243 = 1664
     5253 = 25125
     6263 = 36216
    Therefore, option 4 is the correct answer.
  • Question 18
    1 / -0
    Directions: Complete the following number series:

    17, 23, 31, 41, 47, ____, 67
    Solution
    The pattern is that of alternate prime numbers.

  • Question 19
    1 / -0
    Directions: Complete the series.

    721, 618, 515, 412, 309, ?
    Solution
    There is a difference of 103 between the first number and the second number, the second number and the third number and so on.
    Therefore, result is: 309 - 103 = 206
    Hence, option (1) is correct.
  • Question 20
    1 / -0
    Complete the following number series:

    6, 13, 25, 51, 101, ___
    Solution
    The sequence is:
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