Multiple choice

Directions: Complete the series.

1, 4, 10, 19, 31, 46, ?

  1. 49

  2. 52

  3. 55

  4. 58

  5. 64
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

From the given series, it is clear that every next term in the series is obtained by adding the term to each successive multiple of 3.
 
1 + 3 = 4
4 + 6 = 10 10 + 9 = 19 19 + 12 = 31 31 + 15 = 46 Similarly, 46 + 18 = 64

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