Multiple choice general knowledge math & puzzles

8,48,120,224,360,?

  1. 528

  2. 538

  3. 548

  4. 518
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sequence is (3^2-1)*1=8, (7^2-1)*1=48, (11^2-1)*1=120... or simply 1*8, 6*8, 15*8, 28*8, 45*8. The multipliers are 1, 6, 15, 28, 45. The next multiplier is 66. 66 * 8 = 528.

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