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Question

The next term in the series is .

56, 40, 27, 17, 10,

This question was previously asked in
UGC NET 2018 Paper 1 Question Paper (20-Dec-2018) (Shift 1)
The correct answer is

6

To determine the next term in the series, we first observe the pattern in the given sequence: 56, 40, 27, 17, 10.

Let's calculate the differences between consecutive terms:

  • Difference between 56 and 40 is: \(56 - 40 = 16\)
  • Difference between 40 and 27 is: \(40 - 27 = 13\)
  • Difference between 27 and 17 is: \(27 - 17 = 10\)
  • Difference between 17 and 10 is: \(17 - 10 = 7\)

We notice that the differences are: 16, 13, 10, 7. This sequence of differences decreases by 3 each time.

Following this pattern, the next difference after 7 should be:

  • Next difference: \(7 - 3 = 4\)

Therefore, the next term in the series can be found by subtracting 4 from the last term (10) in the sequence:

  • Next term: \(10 - 4 = 6\)

Thus, the next term in the series is 6.

This matches with the correct answer option: 6.

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Important Questions from Number Series

  1. In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of :: is the same as that on the right side of :: ?
    (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
    X : 676 :: 17 : Y
  2. Which of the following options should come in place of the question mark (?) in the given series to make it logically complete?
    125, 128, 133, 140, 149,?
  3. What should come in place of the question mark (?) in the given series?
    801 800 792 765 701 ?
  4. What should come in place of the question mark (?) in the given series?
    101 110 121 134 149 ?
  5. What should come in place of the question mark (?) in the given series?
    40, 48, 58, 66, 76, ?
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