Find the next number in the series: 5, 10, 20, 40, 80, ?
- A. 100
- B. 120
- C. 150
- D. 160 ✓
Correct answer
D. 160
Explanation
Each number is double the previous one, so the next number is 80 x 2 = 160.
D. 160
Each number is double the previous one, so the next number is 80 x 2 = 160.