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