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Multiple choice

Find the missing term (?) in the following series: 52, 87, 120, 151, 180, ?

  1. 207

  2. 226

  3. 206

  4. 228

  5. 227

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

Differences: 87-52=35, 120-87=33, 151-120=31, 180-151=29. The differences are decreasing by 2. Next difference should be 27. 180 + 27 = 207.

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