WBCS.LIVE practice question

Find the missing number in the sequence: 10, 20, 30, ?

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

Answer options

  1. 40
  2. 35
  3. 50
  4. 45

Correct answer and explanation

Correct answer: 40

Explanation: āœ… Correct Answer: A) 40 šŸ“š Explanation: Step by step solving: 1. Identify the constant difference between consecutive terms. 2. 20 - 10 = 10; 30 - 20 = 10. The series increases by +10 each time. 3. Therefore, 30 + 10 = 40.