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  • Number Series Completion
  • Directions: Choose the correct alternative and complete t...
Multiple choice

Directions: Choose the correct alternative and complete the series.

5, 6, 9, 15, (….), 40

  1. 33

  2. 21

  3. 25

  4. 26

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pattern is +1, +3, +6, …..i.e. +1, +(1+2) , + (1+2+3), …… The missing number is 15 + (1+2+3+4) = 25

Keep practicing — related questions

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  • Directions: Choose the correct alternative and complete the series. 66, 36, 18, (….)
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  • Directions: Choose the correct alternative and complete the series. 5, 17, 37, 65, (….), 145
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