Correct option is A
Given: 41 49 65 89 121 161 ?
Logic: +8, + 16, +24, + 32, + 40 and then + 48 as these all are in multiple of 8
41+8=49
49+16= 65
65+24=89
89+32=121
121+40=161
161+48= 209
Hence 209 is the right answer
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Question
Which of the following numbers will replace the question mark (?) in the given series?
41 49 65 89 121 161 ?
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