In the given letter series, some letters are missing. Select the correct alternative from the options provided to complete the series in a logical and consistent order.
_ stt _ tt _ tts _
Show answer & explanation
Correct answer: A
Explanation
The given series consists of 12 letters. Dividing them into 4 groups of 3 letters each:
_ s t / t _ t / t _ t / t s _
The repeating pattern in each group is t s t:
• 1st group: t s t
• 2nd group: t s t
• 3rd group: t s t
• 4th group: t s t
The missing letters are t, s, s, t.
Therefore, the correct option is (A).