WBCS.LIVE practice question

প্রশ্নবোধক (?) স্থানে কী বসবে ? 3, 7, 13, 21, 31, ?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 34
  2. 43
  3. 42
  4. 37

Correct answer and explanation

Correct answer: 43

Explanation: সঠিক উত্তর 43