Find the next number in the pattern 4, 8, 12, 16, ___?
Answer
20
The correct answer is 20 — Thus the next number is 20.
Step-by-step solution
- Identify that each term increases by the same amount.
- Calculate the difference between 4 and 8: .
- Add this difference to the last term 16: .
- Thus the next number is 20.
Common mistake: Adding a wrong difference instead of the constant difference
Concept tested: Arithmetic progression next term
Published · How this solution was prepared and checked
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