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3, 22 , 7, 45, 15, ? , 31
(a) 45 (b) 90 (c) 91 (d) 35
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- series is like that 3 22 7 45 15 91 31...
double of previous term +1 alternatively... - 13 years agoHelpfull: Yes(1) No(0)
- the series follows a definite rule
each odd position value is 2*previous odd +1
so,the value will be 45*2 + 1 =91 - 13 years agoHelpfull: Yes(0) No(0)
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