Multiple choice

A number series is given with one term missing. Choose the correct alternative.

6, 11, 20, ?, 50, 71

  1. 24

  2. 33

  3. 29

  4. 25

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

Yes, it is correct. The pattern followed is +5, +9, +13, +17, ... In each step, 4 is added and accordingly, the step increases. The missing number here is calculated by adding 4 + 9 to the previous number.

20 + 13 = 33

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