Q1 5,10,15,20,?a,10b,20c,25d,30 Q2, 1 ,4,9,16,?a,3b,18c,20d,25 Q3, 1,5,11,19,?,41,55a,25b,29c,35d,38 Q4, 30,62,126,?,510,1022 a,254 b,252c,262d,255
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