Find the next number of the series 6, 11, 23, 45, 91. A.183 B.182 C.181 D.184
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c. 181. i dont knw if my reason is correct or not but my answer is 100% right:
(6*2)-1=11
(11*2)+1=23
(23*2)-1=45
(45*2)+1=91
(91*2)-1=181
(6*2)-1=11
(11*2)+1=23
(23*2)-1=45
(45*2)+1=91
(91*2)-1=181
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