8, 13, 22, 39, 72, ? Answer please (Reasoning)
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HEY BUDDY...
GOOD MORNING...
8 + 5 = 13
13 + 9 = 22
22 +17 = 39
39 +33 = 72
72 +65 = 137
HERE WE ADD THE GIVEN SERIES ELEMENTS ACCORDING TO THIS...
FIRST 5
THEN 5 + 2 x 2 = 9
THEN 9 + 2 x 2 x 2 = 17
THEN 17 + 2 x 2 x 2 x 2 = 33
THEN 33 + 2 x 2 x 2 x 2 x 2 = 65
SO THE REQUIRED ANSWER IS 137
HOPE IT HELPS...!!!
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