Multiple choice

A series is given with one term missing. Choose the correct alternative from the given options that will complete the series.

501, 512, 534, 578, 666, (?)

  1. 821

  2. 842

  3. 810

  4. 832

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pattern of the series is: 501 + 11 = 512, 512 + 11 x 2 = 534, 534 + 22 x 2 = 578, 578 + 2 x 44 = 666, and so on. So, the missing term is 666 + 44 x 2 = 842.

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