Question

Find the next three numbers in the pattern:
15, 21, 27, 33, 39

A. 45, 52, 59
B. 45, 51, 57
C. 44, 50, 56
D. 46, 52, 58

Answer 1

@Michele_Laino

Answer 2

whats 15+6 ?

Answer 3

B

Answer 4

They're multiplying by 3 but only the odds 3x5=15 3x7=21 3×9=27 3×11=33 3×13=39 3×15= 45 and so on

Answer 5

hint:
you have an arithmetic sequence whose constant is \(d=6\)
for example:
\(21=15+6\)
\(27=21+6\)
\(33=27+6\)
\(39=33+6\)
\(39+6=...?\)

Answer 6

B. 45, 51, 57.
You add 6 each time.