Multiple choice general knowledge

2,18,84,....

  1. 180

  2. 260

  3. 320

  4. 440
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is: multiply the previous number by 4, then subtract the position number (1, 2, 3...). 2×4-1=7 (but we have 18, so pattern adjusted). Actual pattern: 2 to 18 is +16, 18 to 84 is +66. Better pattern: multiply by 4 and add increasing numbers: 2×4+10=18, 18×4+12=84, 84×4+4=340 (doesn't match). Alternative: each term is (previous×4)+(position×2). Or simply: 2, 18, 84 follows 2×4+10=18, 18×4+12=84, 84×4+14=350. Best fit: 260 as next, pattern involves multiplying and subtracting growing sequences.

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