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Question

Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.

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

Identifying the Different Letter Cluster

This question asks us to find the letter cluster that doesn't follow the same pattern as the others. We need to analyze the relationship between the letters within each cluster.

Analyzing Letter Patterns

Let's assign numerical positions to each letter based on its place in the alphabet (A=1, B=2, ..., Z=26) and look for a pattern in the differences between consecutive letters.

Letter Cluster Letters Positions Difference 1 (2nd - 1st) Difference 2 (3rd - 2nd) Pattern
HMT H, M, T 8, 13, 20 $13 - 8 = 5$ $20 - 13 = 7$ +5, +7
DKP D, K, P 4, 11, 16 $11 - 4 = 7$ $16 - 11 = 5$ +7, +5
BGN B, G, N 2, 7, 14 $7 - 2 = 5$ $14 - 7 = 7$ +5, +7
LQX L, Q, X 12, 17, 24 $17 - 12 = 5$ $24 - 17 = 7$ +5, +7

Determining the Odd One Out

By examining the table, we can see the following:

  • HMT follows the pattern of adding 5 then adding 7 to the letter positions.
  • BGN follows the pattern of adding 5 then adding 7 to the letter positions.
  • LQX follows the pattern of adding 5 then adding 7 to the letter positions.
  • DKP follows a different pattern: adding 7 then adding 5 to the letter positions.

Since HMT, BGN, and LQX share the common pattern (+5, +7), the letter cluster DKP is different.

Conclusion

The letter cluster that is different from the others is DKP.

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Important Questions from Classification

  1. Directions for the following 3 (three) items : consider the given information and answer the three items that follow. 

    A, B, C, D, E, F and G are Lecturers from different cities—Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics and Statistics (not necessarily in the same order). 

    Further 1. Lecturer from Kanpur is specialized in Geography 

    2. Lecturer D is from Shillong 

    3. Lecturer C from Delhi is specialized in Sociology 

    4. Lecturer B is specialized in neither History nor Mathematics 

    5. Lecturer A who is specialized in Economics does not belong to Hyderabad 

    6. Lecturer F who is specialized in Commerce belongs to Srinagar 

    7. Lecturer G who is specialized in Statistics belongs to Chennai 

    Who is specialized in Geography?

  2. A, B, C, D, E, F and G are Lecturers from different cities—Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics and Statistics (not necessarily in the same order). 

    Further 1. Lecturer from Kanpur is specialized in Geography 

    2. Lecturer D is from Shillong 

    3. Lecturer C from Delhi is specialized in Sociology 

    4. Lecturer B is specialized in neither History nor Mathematics 

    5. Lecturer A who is specialized in Economics does not belong to Hyderabad 

    6. Lecturer F who is specialized in Commerce belongs to Srinagar 

    7. Lecturer G who is specialized in Statistics belongs to Chennai 

    To which city does the Lecturer specialized in Economics belong?

  3. A, B, C, D, E, F and G are Lecturers from different cities—Hyderabad, Delhi, Shillong, Kanpur, Chennai, Mumbai and Srinagar (not necessarily in the same order) who participated in a conference. Each one of them is specialized in a different subject, viz., Economics, Commerce, History, Sociology, Geography, Mathematics and Statistics (not necessarily in the same order). 

    Further 1. Lecturer from Kanpur is specialized in Geography 

    2. Lecturer D is from Shillong 

    3. Lecturer C from Delhi is specialized in Sociology 

    4. Lecturer B is specialized in neither History nor Mathematics 

    5. Lecturer A who is specialized in Economics does not belong to Hyderabad 

    6. Lecturer F who is specialized in Commerce belongs to Srinagar 

    7. Lecturer G who is specialized in Statistics belongs to Chennai 

    Who of the following belongs to Hyderabad?

  4. In a school, there are five teachers A, B, C, D and E. A and B teach Hindi and English. C and B teach English and Geography. D and A teach Mathematics and Hindi. E and B teach History and French. Who teaches maximum numb, of subjects?

  5. How many triangles are there in the given figure?

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