Q. Which term of the series 5, 10, 20, 40, ..... is 1280?
✅ Correct Answer: (B)
9th
Explanation: Clearly, 5 x 2 = 10, 10 x 2 = 20, 20 x 2 = 40,.....
Explanation by: Neelam Mittal
Clearly, 5 x 2 = 10, 10 x 2 = 20, 20 x 2 = 40,.....