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What is the next number in the series: 7, 14, 28, 56, ...? (2023)

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Question: What is the next number in the series: 7, 14, 28, 56, ...? (2023)

Options:

  1. 70
  2. 112
  3. 140
  4. 168

Correct Answer: 112

Exam Year: 2023

Solution: 

The series is a geometric progression where each number is multiplied by 2. The next number is 56 * 2 = 112.

What is the next number in the series: 7, 14, 28, 56, ...? (2023)

Practice Questions

Q1
What is the next number in the series: 7, 14, 28, 56, ...? (2023)
  1. 70
  2. 112
  3. 140
  4. 168

Questions & Step-by-Step Solutions

What is the next number in the series: 7, 14, 28, 56, ...? (2023)
  • Step 1: Look at the series of numbers: 7, 14, 28, 56.
  • Step 2: Notice how each number is related to the one before it.
  • Step 3: Check how to get from 7 to 14. You multiply 7 by 2 to get 14.
  • Step 4: Check how to get from 14 to 28. You multiply 14 by 2 to get 28.
  • Step 5: Check how to get from 28 to 56. You multiply 28 by 2 to get 56.
  • Step 6: Since each number is multiplied by 2, continue this pattern.
  • Step 7: To find the next number, multiply 56 by 2.
  • Step 8: Calculate 56 * 2, which equals 112.
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