In the following question, select the missing number from the given series. 8,…
2021
In the following question, select the missing number from the given series. 8, 31, 123, ?, 1963
Answer: A. 491 — The number series follows a pattern where each term is multiplied by 4 and then subtracted by 1: 8 * 4 - 1 = 31 31 * 4 - 1 = 123 123 * 4 - 1 = 491 491 * 4 - 1…
- A.
491
- B.
481
- C.
471
- D.
461
Attempted by 104 students.
Show answer & explanation
Correct answer: A
The number series follows a pattern where each term is multiplied by 4 and then subtracted by 1:
8 * 4 - 1 = 31
31 * 4 - 1 = 123
123 * 4 - 1 = 491
491 * 4 - 1 = 1963
Final Answer: Option 1
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