Q. What will come at the place of question mark ?
9, 17, 33, 65, ?
9, 17, 33, 65, ?
β
Correct Answer: (C)
129
Explanation: First term → 9
Second term → (9 *2 -1) = 17
Third term → (17 *2 -1) = 33
Fourth term → (33 *2 -1) = 65
Fifth term → (65 *2 -1) = 129
Explanation by: Mr. Dubey
First term → 9
Second term → (9 *2 -1) = 17
Third term → (17 *2 -1) = 33
Fourth term → (33 *2 -1) = 65
Fifth term → (65 *2 -1) = 129
Second term → (9 *2 -1) = 17
Third term → (17 *2 -1) = 33
Fourth term → (33 *2 -1) = 65
Fifth term → (65 *2 -1) = 129