Multiple choice general knowledge math & puzzles

1,2,6,21,88,??

  1. 405

  2. 445

  3. 385

  4. 525
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is (n * 1) + 1, (n * 2) + 2, (n * 3) + 3, etc. 1*1+1=2; 2*2+2=6; 6*3+3=21; 21*4+4=88. The next step is 88*5+5 = 440+5 = 445. Thus, 445 is the correct next number in the sequence.

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