| Direction: What should come in place of question mark (?) in the following number series? |
| 5 9 17 33 65 (?) |
A) 127
B) 9.7
C) 129
D) 87
E) None of these
Correct Answer: C
Solution :
The pattern of the number series is: \[5+{{2}^{2}}=5+4=9\], \[9+{{2}^{3}}=9+8=17\], \[17+{{2}^{4}}=17+16=33\], \[33+{{2}^{5}}=33+32=65\], \[65+{{2}^{6}}=\text{ }65+64=\text{ }129\]
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