Q. What should come in place of question mark (?) in the following number series?
7 , 5 , 7 , 17 , 63 , ?
✅ Correct Answer: (B)
309
Explanation: 7x1-2, 5x2-3, 7x3-4, same way we can find the value.
Explanation by: Deepika
7x1-2, 5x2-3, 7x3-4, same way we can find the value.