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Question

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. 

ILP, KHV, MDB, OZH, ?

This question was previously asked in
SSC Selection Post 2021 Question Paper (09-Feb-2022) (Shift-1)
The correct answer is
QVN

Letter Series Pattern Analysis

This solution explains the logic behind the given letter series: ILP, KHV, MDB, OZH, ?. We need to identify the pattern governing the sequence to determine the correct letter cluster that replaces the question mark.

Analyzing the Series Terms

Let's represent each letter by its corresponding position in the English alphabet (A=1, B=2, ..., Z=26).

Term Letters Positions
1 ILP I(9), L(12), P(16)
2 KHV K(11), H(8), V(22)
3 MDB M(13), D(4), B(2)
4 OZH O(15), Z(26), H(8)
5 ? ?

Series Pattern Identification

We will examine the pattern for each position (1st, 2nd, 3rd letter) separately.

First Letter Pattern

  • The first letters of the terms are I, K, M, O.
  • Their corresponding positions in the alphabet are 9, 11, 13, 15.
  • Observing the positions, we see a consistent increase by 2: $9 + 2 = 11$, $11 + 2 = 13$, $13 + 2 = 15$.
  • Following this pattern, the next position will be $15 + 2 = 17$.
  • The 17th letter of the alphabet is Q.

Second Letter Pattern

  • The second letters of the terms are L, H, D, Z.
  • Their corresponding positions are 12, 8, 4, 26.
  • The pattern here involves subtracting 4 from the position number. We need to consider wrap-around for the alphabet (where Z follows A).
  • Calculations: $12 - 4 = 8$ (H), $8 - 4 = 4$ (D), $4 - 4 = 0$. A position of 0 or 26 represents Z.
  • Following this pattern, the next position is $26 - 4 = 22$.
  • The 22nd letter of the alphabet is V.

Third Letter Pattern

  • The third letters of the terms are P, V, B, H.
  • Their corresponding positions are 16, 22, 2, 8.
  • The pattern involves adding 6 to the position number, again considering wrap-around for the alphabet.
  • Calculations: $16 + 6 = 22$ (V), $22 + 6 = 28$. Since there are only 26 letters, $28$ corresponds to $28 - 26 = 2$ (B).
  • The next step is $2 + 6 = 8$ (H).
  • Following this pattern, the next position is $8 + 6 = 14$.
  • The 14th letter of the alphabet is N.

Determining the Next Term

By combining the next letters found for each position:

  • First letter: Q
  • Second letter: V
  • Third letter: N

Therefore, the letter cluster that replaces the question mark in the series is QVN.

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Similar Questions

  1. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    Q _ L _ P Q P _ B P Q _ L B _ Q _ L _ P

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

    EFGH, FEHG, ?, HCJE, IBKD

  3. Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. NOI _ _ _ RCN _ _ _ AERCN_IT_ERC_OITA _ _ C

  4. Select the option that represents the letters that, when sequentially placed from left to right in the following blanks, will complete the letter-series.

    T _ _ R E _ Y U _ E T Y _ R _ T _ U _ E

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

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

    DUNK, FSPI, ?, JOTE, LMVC

  7. Which of the following letter-clusters will replace the question mark (?) in the given series to make it logically complete?

    TOP, XST, BWX, FAB, ?

  8. Select the option that represents the letters that, when sequentially placed from left to right in the following blanks, will complete the letter - series.

    T _ U _ P _ Y _ I P T _ U I _ T Y _ _ P

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

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  10. Which of the given letter-clusters will replace the question mark (?) in the following 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. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

    Q _ P _ M _ A _ T _ Q A _ T M

  5. In the series _b_a_ba_b_abab_aab;

    fill in the six blanks ( _ ) using one of the following given four choices such that the series follows a specific order.

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