Question

number series:-
5,21,81,241,?
(a)481 (b)120 (c)581 (d)98

with full explanation.....​

Answer 1

Answer:

5×4=20

20+1=21

20×4=80

80+1=81

80×4=320

320-80=240

240+1=241

240×4=960

960-320=640

640+1=641

641-80=561

561+20=581

unnie you want to know how it came

Answer 2

Answer:

Step-by-step explanation:

ANSWER

5*5-4 = 21

21*4-3 = 81

81*3-2 = 241

HERE , 241*2-1 = 481

481 IS CORRECT ANSWER

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