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Find the missing numbers 3,__,__,12__,__,21
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1 vote
Find the missing numbers 3,__,__,12__,__,21

User HandyGandy
by
8.0k points

2 Answers

2 votes
theres a differnece of 9 between 12 and 3 and also between 12 and 21

looks like an arithmetic series with common difference = 3

so the ful series is
3,6,9,12,15,18,21
User Savagent
by
9.0k points
3 votes
multiples of 3
3 6 9 12 15 18 21
User Ethaan
by
8.6k points
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