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Sticky Note
What is the next number in the following series; 1, 3, 8, 19, _____?
  1. 42
  2. 40
  3. 41
  4. None of these
Explanation

Let's recheck the pattern:

1 + 2 = 3

3 + 5 = 8

8 + 11 = 19

19 + 23 = 42

The differences between terms are increasing by prime numbers (2, 5, 11, 23...).

If the pattern continues:

1, 3, 8, 19, 42

Related MCQs

Find the missing number 6,?,21,33,48.
  1. 12
  2. 14
  3. 8
  4. 20
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At the end of a conference, the 12 people present all shake hands with each other once. How many handshakes will there be altogether?
  1. 66
  2. 76
  3. 86
  4. None of these
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Find the next number: 2, 12, 36, 80, 150, _____?
  1. 220
  2. 240
  3. 252
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
If 2 → 6, 3 → 12, 4 → 20, 5 → 30, then 9 → ?
  1. 81
  2. 90
  3. 99
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Find the next term: 5, 12, 26, 54, _____?
  1. 110
  2. 112
  3. 114
  4. None of these
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