Find the wrong number in the given series? 3, 7, 30, 191, 1468, 14685
2024
Find the wrong number in the given series?
3, 7, 30, 191, 1468, 14685
Answer: B. 191 — Answer: 191 is the wrong number. Key logic: Step 1: 3 × 2 + 1 = 7 Step 2: 7 × 4 + 2 = 30 Step 3: 30 × 6 + 3 = 183 (so the fourth term should be 183, not 191)…
- A.
30
- B.
191
- C.
1468
- D.
7
Attempted by 151 students.
Show answer & explanation
Correct answer: B
Answer: 191 is the wrong number.
Key logic:
Step 1: 3 × 2 + 1 = 7
Step 2: 7 × 4 + 2 = 30
Step 3: 30 × 6 + 3 = 183 (so the fourth term should be 183, not 191)
Step 4: 183 × 8 + 4 = 1468
Step 5: 1468 × 10 + 5 = 14685
Therefore the wrong number in the series is 191.
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