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Which letter-cluster will replace the question mark (?) in the following series? (SSC Sub. Ins. 2018)
BECD, FIGH, KNLM, ?, XAYZ
BECD, FIGH, KNLM, ?, XAYZ
- a)QWSU
- b)ORPQ
- c)PSQR
- d)QTRS
Correct answer is option 'D'. Can you explain this answer?
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Which letter-cluster will replace the question mark (?) in the followi...
Finding the Missing Letter-Cluster in Series
Given series: BECD, FIGH, KNLM, ?, XAYZ
We need to find the missing letter-cluster in the series.
Approach:
On observing the given series, we can notice that:
- The first letter of each letter-cluster is alphabetically increasing by 1. i.e. B (2) → F (6) → K (11) → ?
- The second letter of each letter-cluster is alphabetically decreasing by 1. i.e. E (5) ← I (9) ← N (14) ← ?
- The third letter of each letter-cluster is alphabetically increasing by 1. i.e. C (3) → G (7) → L (12) → ?
- The fourth letter of each letter-cluster is alphabetically decreasing by 1. i.e. D (4) ← H (8) ← M (13) ← ?
- The first and the fourth letters of each letter-cluster are separated by two letters in alphabetical order. i.e. B, D, F, H, K, M, ?, X, and Z.
Using the above observations, we can find the missing letter-cluster as follows:
- The first letter of the missing letter-cluster should be the next alphabetically increasing letter after K, which is ‘L’.
- The second letter of the missing letter-cluster should be the next alphabetically decreasing letter after N, which is ‘M’.
- The third letter of the missing letter-cluster should be the next alphabetically increasing letter after L, which is ‘M’.
- The fourth letter of the missing letter-cluster should be the next alphabetically decreasing letter after M, which is ‘N’.
Hence, the missing letter-cluster is ‘QTRS’, which is option (D).
Given series: BECD, FIGH, KNLM, ?, XAYZ
We need to find the missing letter-cluster in the series.
Approach:
On observing the given series, we can notice that:
- The first letter of each letter-cluster is alphabetically increasing by 1. i.e. B (2) → F (6) → K (11) → ?
- The second letter of each letter-cluster is alphabetically decreasing by 1. i.e. E (5) ← I (9) ← N (14) ← ?
- The third letter of each letter-cluster is alphabetically increasing by 1. i.e. C (3) → G (7) → L (12) → ?
- The fourth letter of each letter-cluster is alphabetically decreasing by 1. i.e. D (4) ← H (8) ← M (13) ← ?
- The first and the fourth letters of each letter-cluster are separated by two letters in alphabetical order. i.e. B, D, F, H, K, M, ?, X, and Z.
Using the above observations, we can find the missing letter-cluster as follows:
- The first letter of the missing letter-cluster should be the next alphabetically increasing letter after K, which is ‘L’.
- The second letter of the missing letter-cluster should be the next alphabetically decreasing letter after N, which is ‘M’.
- The third letter of the missing letter-cluster should be the next alphabetically increasing letter after L, which is ‘M’.
- The fourth letter of the missing letter-cluster should be the next alphabetically decreasing letter after M, which is ‘N’.
Hence, the missing letter-cluster is ‘QTRS’, which is option (D).
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Which letter-cluster will replace the question mark (?) in the followi...
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Which letter-cluster will replace the question mark (?) in the following series? (SSC Sub. Ins. 2018)BECD, FIGH, KNLM, ?, XAYZa)QWSUb)ORPQc)PSQRd)QTRSCorrect answer is option 'D'. Can you explain this answer?
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