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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
MOP

Letter Cluster Pattern Analysis

The question asks us to identify the letter cluster that is different from the others among the given four options. We need to find a common pattern shared by three clusters and identify the one that does not follow this pattern. Let's analyze the alphabetical positions and the differences between consecutive letters in each cluster.

Analyzing Letter Clusters

We will assign numerical values to each letter based on its position in the English alphabet (A=1, B=2, ..., Z=26).

Cluster 1: VXZ

  • V is the 22nd letter.
  • X is the 24th letter.
  • Z is the 26th letter.

The sequence of positions is 22, 24, 26. The difference between X and V is $24 - 22 = 2$. The difference between Z and X is $26 - 24 = 2$. This cluster follows a pattern of adding 2 to the alphabetical position of the previous letter. ($V \xrightarrow{+2} X \xrightarrow{+2} Z$).

Cluster 2: MOP

  • M is the 13th letter.
  • O is the 15th letter.
  • P is the 16th letter.

The sequence of positions is 13, 15, 16. The difference between O and M is $15 - 13 = 2$. The difference between P and O is $16 - 15 = 1$. This cluster does not consistently follow the pattern of adding 2. ($M \xrightarrow{+2} O \xrightarrow{+1} P$).

Cluster 3: QSU

  • Q is the 17th letter.
  • S is the 19th letter.
  • U is the 21st letter.

The sequence of positions is 17, 19, 21. The difference between S and Q is $19 - 17 = 2$. The difference between U and S is $21 - 19 = 2$. This cluster follows the pattern of adding 2 to the alphabetical position of the previous letter. ($Q \xrightarrow{+2} S \xrightarrow{+2} U$).

Cluster 4: HJL

  • H is the 8th letter.
  • J is the 10th letter.
  • L is the 12th letter.

The sequence of positions is 8, 10, 12. The difference between J and H is $10 - 8 = 2$. The difference between L and J is $12 - 10 = 2$. This cluster follows the pattern of adding 2 to the alphabetical position of the previous letter. ($H \xrightarrow{+2} J \xrightarrow{+2} L$).

Identifying the Different Cluster

From the analysis above, we can see that the letter clusters VXZ, QSU, and HJL all follow the same pattern: the alphabetical position increases by 2 for each subsequent letter. The cluster MOP, however, has differences of +2 and then +1 between its letters. Therefore, MOP is the letter cluster that is different from the others.

Conclusion

The cluster that stands out based on the established pattern is MOP.

Cluster Letter Positions Differences Pattern
VXZ 22, 24, 26 +2, +2 Follows Pattern
MOP 13, 15, 16 +2, +1 Different
QSU 17, 19, 21 +2, +2 Follows Pattern
HJL 8, 10, 12 +2, +2 Follows Pattern

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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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