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Question

Complete the following series: B, D, G, K, ?

This question was previously asked in
SSC Stenographer 2025 Question Paper (06-Aug-2025) Shift 2
The correct answer is
P

Solving the Letter Series: B, D, G, K, ?

This question requires us to identify the pattern in the given sequence of letters and find the next letter that logically follows.

Analyzing the Alphabetical Positions

First, let's determine the position of each letter in the English alphabet:

Letter Position
B 2
D 4
G 7
K 11

Identifying the Pattern in Differences

Now, let's look at the difference between the positions of consecutive letters:

  • The difference between D (4) and B (2) is \(4 - 2 = 2\).
  • The difference between G (7) and D (4) is \(7 - 4 = 3\).
  • The difference between K (11) and G (7) is \(11 - 7 = 4\).

The differences between the positions are 2, 3, and 4. We can observe a clear pattern here: the difference increases by 1 for each subsequent pair of letters.

Calculating the Next Position

Following this pattern, the next difference should be \(4 + 1 = 5\).

To find the position of the next letter in the series, we add this difference to the position of the last letter (K):

Position of K = 11

Next position = Position of K + Next difference

Next position = \(11 + 5 = 16\)

Determining the Missing Letter

The 16th letter in the English alphabet is P.

Therefore, the completed series is B, D, G, K, P.

Conclusion

The letter that completes the series B, D, G, K, ? is P, based on the increasing difference pattern (+\(2, +3, +4, +5\)) between the alphabetical positions of the letters.

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Similar Questions

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    RBT, OER, KIP, FNN, ZTL, ?

  2. Which letter-cluster will replace the question mark (?) to complete the given series?

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Important Questions from Alphabet Series

  1. A series is given with some letters missing. Choose the correct alternative from the given ones that will complete the series:

    BR __ __ NB __ O __ NB
  2. A series is given with some letters missing. Choose the set of letters which when sequentially placed shall complete it .

    a __ __ dba __ __ bcad __ __ da __ __ cd
  3. In the following letter series, some of the letters are missing which are given in that order as one of the alternatives below It. Choose the correct alternative

    _ a _ b _ abaa _ bab _ abb
  4. In the series _b_a_ba_b_abab_aab;

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