WBCS.LIVE practice question

Find the missing number in the sequence: 5, 10, 20, 40, ?

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

Answer options

  1. 80
  2. 60
  3. 70
  4. 100

Correct answer and explanation

Correct answer: 80

Explanation: āœ… Correct Answer: A) 80 šŸ“š Explanation: Step by step solving: 1. Analyze the relationship between consecutive numbers. 2. 5 Ɨ 2 = 10; 10 Ɨ 2 = 20; 20 Ɨ 2 = 40. 3. The pattern is that each number is double the previous one. 4. Therefore, the next number is 40 Ɨ 2 = 80.