Multiple choice

Find the next term of the given series. 12, 21, 37, 62, 98, 147, ___

  1. 282

  2. 247

  3. 211

  4. 196

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

Differences: 21-12=9, 37-21=16, 62-37=25, 98-62=36, 147-98=49. These are squares: 3^2, 4^2, 5^2, 6^2, 7^2. The next difference should be 8^2 = 64. 147 + 64 = 211.