Multiple choice

Find the one/two missing letters/number in the given series? 244 , 221 , ? , 223 , 236 , 225

  1. 242

  2. 240

  3. 241

  4. 239

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

The series follows alternating patterns: subtract 23, add 19, subtract 17, add 13, subtract 11. The missing term is 221 + 19 = 240. The odd positions decrease by 23, 17, 11 and even positions increase by 19, 13.