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Question

Identify the term that will replace the ?
3,5,9,17,33,65,?

A
78
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B
126
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C
129
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D
127
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Solution

The correct option is B 129
1st term =3
2nd term = 1st term +21=5
3rd term = 2nd term +22=9
4th term = 3rd term +23=17
5th term = 4th term +24=33
6th term = 5th term +25=65
Hence the missing term = 6th term +26=129.

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