Logical Reasoning - Letter and Symbol Series

Exercise :: Letter and Symbol Series - Type 1

In these series, you will be looking at both the letter pattern and the number pattern. Fill the blank in the middle of the series or end of the series.
11. 

QAR, RAS, SAT, TAU, _____

A. UAV
B. UAT
C. TAS
D. TAT

Answer: Option A

Explanation:

In this series, the third letter is repeated as the first letter of the next segment. The middle letter, A, remains static. The third letters are in alphabetical order, beginning with R.

12. 

DEF, DEF2, DE2F2, _____, D2E2F3

A. DEF3
B. D3EF3
C. D2E3F
D. D2E2F2

Answer: Option D

Explanation:

In this series, the letters remain the same: DEF.

The subscript numbers follow this series:

111, 112, 122, 222, 223, 233, 333, ...


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