Math, asked by skkumar4592, 7 months ago

1, 3, 3, 6, 7, 9, ?, 12, 21

Answers

Answered by rishabh4054
0

Answer:

9 is the missing no.

Step-by-step explanation:

you could see the sequence

Answered by sakshichandra1171
2

13

Please mark it as brainliest.......

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