Multiple choice

Find out the missing number in the series 2, 5, 11, 20, 32, 47, _, 80.

  1. 60

  2. 65

  3. 58

  4. 62
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The differences between consecutive terms are: 5-2=3, 11-5=6, 20-11=9, 32-20=12, 47-32=15. The differences increase by 3 each time. The next difference should be 18, so missing term = 47 + 18 = 65. Verifying: 65 + 15 = 80 (pattern holds). Options A, C, D don't fit.

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