Multiple choice

17,19,25,37,..........,87

  1. 45

  2. 47

  3. 67

  4. 57
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The differences are 2, 6, 12, 20, 30. These are n(n+1) for n=1, 2, 3, 4, 5. The next difference is 6*7=42. 37+20=57.

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